Home / 159,631.38-220,292.73-88,013.97

Finding the Fourth Proportional to 159,631.38, 220,292.73 and 88,013.97

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Solution

The fourth proportional to 159,631.38, 220,292.73 and 88,013.97 is: 121,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,631.38 : 220,292.73 = 88,013.97 : x
  2. Step 2: Convert to fraction form
    159,631.38/220,292.73 = 88,013.97/x
  3. Step 3: Cross multiply
    159,631.38x = 220,292.73 × 88,013.97
  4. Step 4: Simplify right side
    159,631.38x = 19,388,837,729.44
  5. Step 5: Solve for x
    x = 19,388,837,729.44/159,631.38
  6. Step 6: Final answer
    x = 121,460.06

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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.