Home / 159,865.43-220,613.27-88,245.44

Finding the Fourth Proportional to 159,865.43, 220,613.27 and 88,245.44

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Solution

The fourth proportional to 159,865.43, 220,613.27 and 88,245.44 is: 121,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,865.43 : 220,613.27 = 88,245.44 : x
  2. Step 2: Convert to fraction form
    159,865.43/220,613.27 = 88,245.44/x
  3. Step 3: Cross multiply
    159,865.43x = 220,613.27 × 88,245.44
  4. Step 4: Simplify right side
    159,865.43x = 19,468,113,536.70
  5. Step 5: Solve for x
    x = 19,468,113,536.70/159,865.43
  6. Step 6: Final answer
    x = 121,778.14

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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.