Home / 136,146.16-204,067.90-102,757.96

Finding the Fourth Proportional to 136,146.16, 204,067.90 and 102,757.96

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Solution

The fourth proportional to 136,146.16, 204,067.90 and 102,757.96 is: 154,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,146.16 : 204,067.90 = 102,757.96 : x
  2. Step 2: Convert to fraction form
    136,146.16/204,067.90 = 102,757.96/x
  3. Step 3: Cross multiply
    136,146.16x = 204,067.90 × 102,757.96
  4. Step 4: Simplify right side
    136,146.16x = 20,969,601,105.48
  5. Step 5: Solve for x
    x = 20,969,601,105.48/136,146.16
  6. Step 6: Final answer
    x = 154,022.71

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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.