Home / 198,791.52-274,188.96-113,877.60

Finding the Fourth Proportional to 198,791.52, 274,188.96 and 113,877.60

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Solution

The fourth proportional to 198,791.52, 274,188.96 and 113,877.60 is: 157,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,791.52 : 274,188.96 = 113,877.60 : x
  2. Step 2: Convert to fraction form
    198,791.52/274,188.96 = 113,877.60/x
  3. Step 3: Cross multiply
    198,791.52x = 274,188.96 × 113,877.60
  4. Step 4: Simplify right side
    198,791.52x = 31,223,980,711.30
  5. Step 5: Solve for x
    x = 31,223,980,711.30/198,791.52
  6. Step 6: Final answer
    x = 157,068.98

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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.