Home / 193,391.97-266,885.52-108,515.31

Finding the Fourth Proportional to 193,391.97, 266,885.52 and 108,515.31

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Solution

The fourth proportional to 193,391.97, 266,885.52 and 108,515.31 is: 149,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,391.97 : 266,885.52 = 108,515.31 : x
  2. Step 2: Convert to fraction form
    193,391.97/266,885.52 = 108,515.31/x
  3. Step 3: Cross multiply
    193,391.97x = 266,885.52 × 108,515.31
  4. Step 4: Simplify right side
    193,391.97x = 28,961,164,394.73
  5. Step 5: Solve for x
    x = 28,961,164,394.73/193,391.97
  6. Step 6: Final answer
    x = 149,753.71

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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.