Home / 454,318.92-681,480.90-187,935.12

Finding the Fourth Proportional to 454,318.92, 681,480.90 and 187,935.12

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Solution

The fourth proportional to 454,318.92, 681,480.90 and 187,935.12 is: 281,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,318.92 : 681,480.90 = 187,935.12 : x
  2. Step 2: Convert to fraction form
    454,318.92/681,480.90 = 187,935.12/x
  3. Step 3: Cross multiply
    454,318.92x = 681,480.90 × 187,935.12
  4. Step 4: Simplify right side
    454,318.92x = 128,074,194,719.21
  5. Step 5: Solve for x
    x = 128,074,194,719.21/454,318.92
  6. Step 6: Final answer
    x = 281,903.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.