Home / 136,180.24-187,945.31-82,463.87

Finding the Fourth Proportional to 136,180.24, 187,945.31 and 82,463.87

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Solution

The fourth proportional to 136,180.24, 187,945.31 and 82,463.87 is: 113,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180.24 : 187,945.31 = 82,463.87 : x
  2. Step 2: Convert to fraction form
    136,180.24/187,945.31 = 82,463.87/x
  3. Step 3: Cross multiply
    136,180.24x = 187,945.31 × 82,463.87
  4. Step 4: Simplify right side
    136,180.24x = 15,498,698,286.97
  5. Step 5: Solve for x
    x = 15,498,698,286.97/136,180.24
  6. Step 6: Final answer
    x = 113,810.19

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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.