Home / 127,834.60-191,780.70-39,092.20

Finding the Fourth Proportional to 127,834.60, 191,780.70 and 39,092.20

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Solution

The fourth proportional to 127,834.60, 191,780.70 and 39,092.20 is: 58,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.60 : 191,780.70 = 39,092.20 : x
  2. Step 2: Convert to fraction form
    127,834.60/191,780.70 = 39,092.20/x
  3. Step 3: Cross multiply
    127,834.60x = 191,780.70 × 39,092.20
  4. Step 4: Simplify right side
    127,834.60x = 7,497,129,480.54
  5. Step 5: Solve for x
    x = 7,497,129,480.54/127,834.60
  6. Step 6: Final answer
    x = 58,647.11

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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.