Finding the Fourth Proportional to 316,944.18, 437,382.12 and 171,753.99
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Solution
The fourth proportional to 316,944.18, 437,382.12 and 171,753.99 is: 237,020.05
Step by Step Solution
- Step 1: Write the proportion equation
316,944.18 : 437,382.12 = 171,753.99 : x - Step 2: Convert to fraction form
316,944.18/437,382.12 = 171,753.99/x - Step 3: Cross multiply
316,944.18x = 437,382.12 × 171,753.99 - Step 4: Simplify right side
316,944.18x = 75,122,125,358.11 - Step 5: Solve for x
x = 75,122,125,358.11/316,944.18 - Step 6: Final answer
x = 237,020.05
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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.