Home / 198,818.22-274,376.70-113,951.66

Finding the Fourth Proportional to 198,818.22, 274,376.70 and 113,951.66

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Solution

The fourth proportional to 198,818.22, 274,376.70 and 113,951.66 is: 157,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,818.22 : 274,376.70 = 113,951.66 : x
  2. Step 2: Convert to fraction form
    198,818.22/274,376.70 = 113,951.66/x
  3. Step 3: Cross multiply
    198,818.22x = 274,376.70 × 113,951.66
  4. Step 4: Simplify right side
    198,818.22x = 31,265,680,430.32
  5. Step 5: Solve for x
    x = 31,265,680,430.32/198,818.22
  6. Step 6: Final answer
    x = 157,257.62

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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.