Home / 159,791.44-220,508.38-88,171.48

Finding the Fourth Proportional to 159,791.44, 220,508.38 and 88,171.48

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Solution

The fourth proportional to 159,791.44, 220,508.38 and 88,171.48 is: 121,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,791.44 : 220,508.38 = 88,171.48 : x
  2. Step 2: Convert to fraction form
    159,791.44/220,508.38 = 88,171.48/x
  3. Step 3: Cross multiply
    159,791.44x = 220,508.38 × 88,171.48
  4. Step 4: Simplify right side
    159,791.44x = 19,442,550,217.00
  5. Step 5: Solve for x
    x = 19,442,550,217.00/159,791.44
  6. Step 6: Final answer
    x = 121,674.54

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1.5x scale

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.