Home / 238,810.46-329,560.58-129,917.17

Finding the Fourth Proportional to 238,810.46, 329,560.58 and 129,917.17

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Solution

The fourth proportional to 238,810.46, 329,560.58 and 129,917.17 is: 179,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,810.46 : 329,560.58 = 129,917.17 : x
  2. Step 2: Convert to fraction form
    238,810.46/329,560.58 = 129,917.17/x
  3. Step 3: Cross multiply
    238,810.46x = 329,560.58 × 129,917.17
  4. Step 4: Simplify right side
    238,810.46x = 42,815,577,897.16
  5. Step 5: Solve for x
    x = 42,815,577,897.16/238,810.46
  6. Step 6: Final answer
    x = 179,286.86

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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.