Home / 198,562.59-274,016.52-113,680.26

Finding the Fourth Proportional to 198,562.59, 274,016.52 and 113,680.26

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Solution

The fourth proportional to 198,562.59, 274,016.52 and 113,680.26 is: 156,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,562.59 : 274,016.52 = 113,680.26 : x
  2. Step 2: Convert to fraction form
    198,562.59/274,016.52 = 113,680.26/x
  3. Step 3: Cross multiply
    198,562.59x = 274,016.52 × 113,680.26
  4. Step 4: Simplify right side
    198,562.59x = 31,150,269,237.90
  5. Step 5: Solve for x
    x = 31,150,269,237.90/198,562.59
  6. Step 6: Final answer
    x = 156,878.84

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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.