Home / 284,414.28-392,497.02-157,087.14

Finding the Fourth Proportional to 284,414.28, 392,497.02 and 157,087.14

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Solution

The fourth proportional to 284,414.28, 392,497.02 and 157,087.14 is: 216,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,414.28 : 392,497.02 = 157,087.14 : x
  2. Step 2: Convert to fraction form
    284,414.28/392,497.02 = 157,087.14/x
  3. Step 3: Cross multiply
    284,414.28x = 392,497.02 × 157,087.14
  4. Step 4: Simplify right side
    284,414.28x = 61,656,234,330.32
  5. Step 5: Solve for x
    x = 61,656,234,330.32/284,414.28
  6. Step 6: Final answer
    x = 216,783.19

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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.