Home / 454,165.28-681,520.08-187,929.44

Finding the Fourth Proportional to 454,165.28, 681,520.08 and 187,929.44

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Solution

The fourth proportional to 454,165.28, 681,520.08 and 187,929.44 is: 282,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,165.28 : 681,520.08 = 187,929.44 : x
  2. Step 2: Convert to fraction form
    454,165.28/681,520.08 = 187,929.44/x
  3. Step 3: Cross multiply
    454,165.28x = 681,520.08 × 187,929.44
  4. Step 4: Simplify right side
    454,165.28x = 128,077,686,983.16
  5. Step 5: Solve for x
    x = 128,077,686,983.16/454,165.28
  6. Step 6: Final answer
    x = 282,006.78

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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.