Finding the Fourth Proportional to 113,209.44, 156,230.65 and 62,226.89
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Solution
The fourth proportional to 113,209.44, 156,230.65 and 62,226.89 is: 85,873.99
Step by Step Solution
- Step 1: Write the proportion equation
113,209.44 : 156,230.65 = 62,226.89 : x - Step 2: Convert to fraction form
113,209.44/156,230.65 = 62,226.89/x - Step 3: Cross multiply
113,209.44x = 156,230.65 × 62,226.89 - Step 4: Simplify right side
113,209.44x = 9,721,746,691.03 - Step 5: Solve for x
x = 9,721,746,691.03/113,209.44 - Step 6: Final answer
x = 85,873.99
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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.