Home / 136,191.38-187,801.94-82,456.79

Finding the Fourth Proportional to 136,191.38, 187,801.94 and 82,456.79

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Solution

The fourth proportional to 136,191.38, 187,801.94 and 82,456.79 is: 113,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,191.38 : 187,801.94 = 82,456.79 : x
  2. Step 2: Convert to fraction form
    136,191.38/187,801.94 = 82,456.79/x
  3. Step 3: Cross multiply
    136,191.38x = 187,801.94 × 82,456.79
  4. Step 4: Simplify right side
    136,191.38x = 15,485,544,395.30
  5. Step 5: Solve for x
    x = 15,485,544,395.30/136,191.38
  6. Step 6: Final answer
    x = 113,704.30

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1.5x scale

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.