Home / 198,818.22-274,376.73-113,951.70

Finding the Fourth Proportional to 198,818.22, 274,376.73 and 113,951.70

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Solution

The fourth proportional to 198,818.22, 274,376.73 and 113,951.70 is: 157,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,818.22 : 274,376.73 = 113,951.70 : x
  2. Step 2: Convert to fraction form
    198,818.22/274,376.73 = 113,951.70/x
  3. Step 3: Cross multiply
    198,818.22x = 274,376.73 × 113,951.70
  4. Step 4: Simplify right side
    198,818.22x = 31,265,694,823.94
  5. Step 5: Solve for x
    x = 31,265,694,823.94/198,818.22
  6. Step 6: Final answer
    x = 157,257.69

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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.