Finding the Fourth Proportional to 113,219.08, 156,246.10 and 62,233.63
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Solution
The fourth proportional to 113,219.08, 156,246.10 and 62,233.63 is: 85,884.48
Step by Step Solution
- Step 1: Write the proportion equation
113,219.08 : 156,246.10 = 62,233.63 : x - Step 2: Convert to fraction form
113,219.08/156,246.10 = 62,233.63/x - Step 3: Cross multiply
113,219.08x = 156,246.10 × 62,233.63 - Step 4: Simplify right side
113,219.08x = 9,723,761,430.14 - Step 5: Solve for x
x = 9,723,761,430.14/113,219.08 - Step 6: Final answer
x = 85,884.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.