Home / 127,934.26-191,767.33-71,691.91

Finding the Fourth Proportional to 127,934.26, 191,767.33 and 71,691.91

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Solution

The fourth proportional to 127,934.26, 191,767.33 and 71,691.91 is: 107,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,934.26 : 191,767.33 = 71,691.91 : x
  2. Step 2: Convert to fraction form
    127,934.26/191,767.33 = 71,691.91/x
  3. Step 3: Cross multiply
    127,934.26x = 191,767.33 × 71,691.91
  4. Step 4: Simplify right side
    127,934.26x = 13,748,166,163.30
  5. Step 5: Solve for x
    x = 13,748,166,163.30/127,934.26
  6. Step 6: Final answer
    x = 107,462.74

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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.