Home / 198,679.52-274,177.72-109,255.52

Finding the Fourth Proportional to 198,679.52, 274,177.72 and 109,255.52

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Solution

The fourth proportional to 198,679.52, 274,177.72 and 109,255.52 is: 150,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,679.52 : 274,177.72 = 109,255.52 : x
  2. Step 2: Convert to fraction form
    198,679.52/274,177.72 = 109,255.52/x
  3. Step 3: Cross multiply
    198,679.52x = 274,177.72 × 109,255.52
  4. Step 4: Simplify right side
    198,679.52x = 29,955,429,371.01
  5. Step 5: Solve for x
    x = 29,955,429,371.01/198,679.52
  6. Step 6: Final answer
    x = 150,772.61

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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.