Home / 182,134.26-273,135.78-76,961.43

Finding the Fourth Proportional to 182,134.26, 273,135.78 and 76,961.43

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Solution

The fourth proportional to 182,134.26, 273,135.78 and 76,961.43 is: 115,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,134.26 : 273,135.78 = 76,961.43 : x
  2. Step 2: Convert to fraction form
    182,134.26/273,135.78 = 76,961.43/x
  3. Step 3: Cross multiply
    182,134.26x = 273,135.78 × 76,961.43
  4. Step 4: Simplify right side
    182,134.26x = 21,020,920,212.97
  5. Step 5: Solve for x
    x = 21,020,920,212.97/182,134.26
  6. Step 6: Final answer
    x = 115,414.42

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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.