Home / 125,274.29-187,660.82-75,326.85

Finding the Fourth Proportional to 125,274.29, 187,660.82 and 75,326.85

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Solution

The fourth proportional to 125,274.29, 187,660.82 and 75,326.85 is: 112,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,274.29 : 187,660.82 = 75,326.85 : x
  2. Step 2: Convert to fraction form
    125,274.29/187,660.82 = 75,326.85/x
  3. Step 3: Cross multiply
    125,274.29x = 187,660.82 × 75,326.85
  4. Step 4: Simplify right side
    125,274.29x = 14,135,898,062.38
  5. Step 5: Solve for x
    x = 14,135,898,062.38/125,274.29
  6. Step 6: Final answer
    x = 112,839.58

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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.