Home / 136,046.38-204,016.20-51,761.80

Finding the Fourth Proportional to 136,046.38, 204,016.20 and 51,761.80

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Solution

The fourth proportional to 136,046.38, 204,016.20 and 51,761.80 is: 77,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046.38 : 204,016.20 = 51,761.80 : x
  2. Step 2: Convert to fraction form
    136,046.38/204,016.20 = 51,761.80/x
  3. Step 3: Cross multiply
    136,046.38x = 204,016.20 × 51,761.80
  4. Step 4: Simplify right side
    136,046.38x = 10,560,245,741.16
  5. Step 5: Solve for x
    x = 10,560,245,741.16/136,046.38
  6. Step 6: Final answer
    x = 77,622.39

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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.