Home / 198,473.20-273,891.92-107,828.44

Finding the Fourth Proportional to 198,473.20, 273,891.92 and 107,828.44

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Solution

The fourth proportional to 198,473.20, 273,891.92 and 107,828.44 is: 148,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,473.20 : 273,891.92 = 107,828.44 : x
  2. Step 2: Convert to fraction form
    198,473.20/273,891.92 = 107,828.44/x
  3. Step 3: Cross multiply
    198,473.20x = 273,891.92 × 107,828.44
  4. Step 4: Simplify right side
    198,473.20x = 29,533,338,462.20
  5. Step 5: Solve for x
    x = 29,533,338,462.20/198,473.20
  6. Step 6: Final answer
    x = 148,802.65

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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.