Home / 198,695.91-274,189.28-113,818.44

Finding the Fourth Proportional to 198,695.91, 274,189.28 and 113,818.44

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Solution

The fourth proportional to 198,695.91, 274,189.28 and 113,818.44 is: 157,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,695.91 : 274,189.28 = 113,818.44 : x
  2. Step 2: Convert to fraction form
    198,695.91/274,189.28 = 113,818.44/x
  3. Step 3: Cross multiply
    198,695.91x = 274,189.28 × 113,818.44
  4. Step 4: Simplify right side
    198,695.91x = 31,207,795,545.23
  5. Step 5: Solve for x
    x = 31,207,795,545.23/198,695.91
  6. Step 6: Final answer
    x = 157,063.10

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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.