Home / 129,411.28-194,116.90-59,290.59

Finding the Fourth Proportional to 129,411.28, 194,116.90 and 59,290.59

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Solution

The fourth proportional to 129,411.28, 194,116.90 and 59,290.59 is: 88,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,411.28 : 194,116.90 = 59,290.59 : x
  2. Step 2: Convert to fraction form
    129,411.28/194,116.90 = 59,290.59/x
  3. Step 3: Cross multiply
    129,411.28x = 194,116.90 × 59,290.59
  4. Step 4: Simplify right side
    129,411.28x = 11,509,305,529.97
  5. Step 5: Solve for x
    x = 11,509,305,529.97/129,411.28
  6. Step 6: Final answer
    x = 88,935.88

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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.