Home / 198,398.08-273,791.33-107,755.82

Finding the Fourth Proportional to 198,398.08, 273,791.33 and 107,755.82

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Solution

The fourth proportional to 198,398.08, 273,791.33 and 107,755.82 is: 148,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,398.08 : 273,791.33 = 107,755.82 : x
  2. Step 2: Convert to fraction form
    198,398.08/273,791.33 = 107,755.82/x
  3. Step 3: Cross multiply
    198,398.08x = 273,791.33 × 107,755.82
  4. Step 4: Simplify right side
    198,398.08x = 29,502,607,365.30
  5. Step 5: Solve for x
    x = 29,502,607,365.30/198,398.08
  6. Step 6: Final answer
    x = 148,704.10

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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.