Home / 136,198.52-187,951.13-75,767.85

Finding the Fourth Proportional to 136,198.52, 187,951.13 and 75,767.85

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Solution

The fourth proportional to 136,198.52, 187,951.13 and 75,767.85 is: 104,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,198.52 : 187,951.13 = 75,767.85 : x
  2. Step 2: Convert to fraction form
    136,198.52/187,951.13 = 75,767.85/x
  3. Step 3: Cross multiply
    136,198.52x = 187,951.13 × 75,767.85
  4. Step 4: Simplify right side
    136,198.52x = 14,240,652,646.33
  5. Step 5: Solve for x
    x = 14,240,652,646.33/136,198.52
  6. Step 6: Final answer
    x = 104,558.06

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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.