Home / 195,149.48-269,209.86-134,781.80

Finding the Fourth Proportional to 195,149.48, 269,209.86 and 134,781.80

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Solution

The fourth proportional to 195,149.48, 269,209.86 and 134,781.80 is: 185,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,149.48 : 269,209.86 = 134,781.80 : x
  2. Step 2: Convert to fraction form
    195,149.48/269,209.86 = 134,781.80/x
  3. Step 3: Cross multiply
    195,149.48x = 269,209.86 × 134,781.80
  4. Step 4: Simplify right side
    195,149.48x = 36,284,589,508.55
  5. Step 5: Solve for x
    x = 36,284,589,508.55/195,149.48
  6. Step 6: Final answer
    x = 185,932.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.