Home / 125,195.57-187,800.20-31,702.13

Finding the Fourth Proportional to 125,195.57, 187,800.20 and 31,702.13

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Solution

The fourth proportional to 125,195.57, 187,800.20 and 31,702.13 is: 47,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,195.57 : 187,800.20 = 31,702.13 : x
  2. Step 2: Convert to fraction form
    125,195.57/187,800.20 = 31,702.13/x
  3. Step 3: Cross multiply
    125,195.57x = 187,800.20 × 31,702.13
  4. Step 4: Simplify right side
    125,195.57x = 5,953,666,195.92
  5. Step 5: Solve for x
    x = 5,953,666,195.92/125,195.57
  6. Step 6: Final answer
    x = 47,554.93

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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.