Home / 129,417.97-194,036.88-57,331.73

Finding the Fourth Proportional to 129,417.97, 194,036.88 and 57,331.73

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Solution

The fourth proportional to 129,417.97, 194,036.88 and 57,331.73 is: 85,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,417.97 : 194,036.88 = 57,331.73 : x
  2. Step 2: Convert to fraction form
    129,417.97/194,036.88 = 57,331.73/x
  3. Step 3: Cross multiply
    129,417.97x = 194,036.88 × 57,331.73
  4. Step 4: Simplify right side
    129,417.97x = 11,124,469,044.02
  5. Step 5: Solve for x
    x = 11,124,469,044.02/129,417.97
  6. Step 6: Final answer
    x = 85,957.69

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1.5x scale

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.