Home / 198,749.25-274,273.97-113,915.52

Finding the Fourth Proportional to 198,749.25, 274,273.97 and 113,915.52

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Solution

The fourth proportional to 198,749.25, 274,273.97 and 113,915.52 is: 157,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,749.25 : 274,273.97 = 113,915.52 : x
  2. Step 2: Convert to fraction form
    198,749.25/274,273.97 = 113,915.52/x
  3. Step 3: Cross multiply
    198,749.25x = 274,273.97 × 113,915.52
  4. Step 4: Simplify right side
    198,749.25x = 31,244,061,345.44
  5. Step 5: Solve for x
    x = 31,244,061,345.44/198,749.25
  6. Step 6: Final answer
    x = 157,203.42

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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.