Home / 127,515.24-191,279.67-38,761.92

Finding the Fourth Proportional to 127,515.24, 191,279.67 and 38,761.92

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Solution

The fourth proportional to 127,515.24, 191,279.67 and 38,761.92 is: 58,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,515.24 : 191,279.67 = 38,761.92 : x
  2. Step 2: Convert to fraction form
    127,515.24/191,279.67 = 38,761.92/x
  3. Step 3: Cross multiply
    127,515.24x = 191,279.67 × 38,761.92
  4. Step 4: Simplify right side
    127,515.24x = 7,414,367,266.17
  5. Step 5: Solve for x
    x = 7,414,367,266.17/127,515.24
  6. Step 6: Final answer
    x = 58,144.95

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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.