Home / 240,371.72-331,711.28-132,937.78

Finding the Fourth Proportional to 240,371.72, 331,711.28 and 132,937.78

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Solution

The fourth proportional to 240,371.72, 331,711.28 and 132,937.78 is: 183,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,371.72 : 331,711.28 = 132,937.78 : x
  2. Step 2: Convert to fraction form
    240,371.72/331,711.28 = 132,937.78/x
  3. Step 3: Cross multiply
    240,371.72x = 331,711.28 × 132,937.78
  4. Step 4: Simplify right side
    240,371.72x = 44,096,961,164.16
  5. Step 5: Solve for x
    x = 44,096,961,164.16/240,371.72
  6. Step 6: Final answer
    x = 183,453.20

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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.