Home / 198,964.88-274,753.91-126,391.16

Finding the Fourth Proportional to 198,964.88, 274,753.91 and 126,391.16

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Solution

The fourth proportional to 198,964.88, 274,753.91 and 126,391.16 is: 174,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,964.88 : 274,753.91 = 126,391.16 : x
  2. Step 2: Convert to fraction form
    198,964.88/274,753.91 = 126,391.16/x
  3. Step 3: Cross multiply
    198,964.88x = 274,753.91 × 126,391.16
  4. Step 4: Simplify right side
    198,964.88x = 34,726,465,399.44
  5. Step 5: Solve for x
    x = 34,726,465,399.44/198,964.88
  6. Step 6: Final answer
    x = 174,535.65

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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.