Home / 159,926.22-220,698.18-88,306.38

Finding the Fourth Proportional to 159,926.22, 220,698.18 and 88,306.38

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Solution

The fourth proportional to 159,926.22, 220,698.18 and 88,306.38 is: 121,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,926.22 : 220,698.18 = 88,306.38 : x
  2. Step 2: Convert to fraction form
    159,926.22/220,698.18 = 88,306.38/x
  3. Step 3: Cross multiply
    159,926.22x = 220,698.18 × 88,306.38
  4. Step 4: Simplify right side
    159,926.22x = 19,489,057,348.39
  5. Step 5: Solve for x
    x = 19,489,057,348.39/159,926.22
  6. Step 6: Final answer
    x = 121,862.80

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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.