Welcome to Hansen Nursing

	Module 1
	Introduction
	Learning Objectives
	Common Fractions 1
	Common Fractions 2
	Common Fractions 3
	Common Fractions 4
	Multiplication of Fractions
	Dividing Common Fractions
	Multpilying Decimals 1
	Multpilying Decimals 2
	Dividing Decimals
	Ratios
	Proportions 1
	Proportions 2
	Percentage
	Quiz
	Module 2
	Introduction
	Learning Objectives
	Metric Weight Conversions
	Apothecary Weight Conversions
	Weight 1
	Weight 2
	Conversion by Weight 1 <<
	Conversion by Weight 2
	Conversion by Weight 3
	Liquid Volume Conversions 1
	Liquid Volume Conversions 2
	Liquid Volume Conversions 3
	Liquid Volume Conversions 4
	Liquid Volume Conversions 5
	Medication Administration 1
	Medication Administration 2
	Medication Administration 3
	Medication Administration 4
	Medication Administration 5
	Medication Administration 6
	Dosage Calculation 1
	Dosage Calculation 2
	Dosage Calculation 3
	Dosage Calculation 4
	Dosage Calculation 5
	Dosage Calculation 6
	Quiz
	Module 3
	Learning Objectives
	Tubing Calculation
	IV Flow Rate
	Intravenous Therapy 1
	Intravenous Therapy 2
	Intravenous Therapy 3
	Intravenous Therapy 4
	Intravenous Therapy 5
	Intravenous Therapy 6
	Quiz
	References


	ABG Tutorial med-calc tutorial current courses links FAQs

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Ratio & Proportion: Solving for "X" ('unknown')

Remember Ratio & Proportion from Module 1? If you need to review again, click here: Ratio Review

We will use the ratio and proportion method to solve for "X" or the "unknown" amount in an equation.

Example: Convert 1.5 grams (g) to grains (gr):