Home / 159,755.47-220,451.15-89,914.95

Finding the Fourth Proportional to 159,755.47, 220,451.15 and 89,914.95

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Solution

The fourth proportional to 159,755.47, 220,451.15 and 89,914.95 is: 124,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,755.47 : 220,451.15 = 89,914.95 : x
  2. Step 2: Convert to fraction form
    159,755.47/220,451.15 = 89,914.95/x
  3. Step 3: Cross multiply
    159,755.47x = 220,451.15 × 89,914.95
  4. Step 4: Simplify right side
    159,755.47x = 19,821,854,354.48
  5. Step 5: Solve for x
    x = 19,821,854,354.48/159,755.47
  6. Step 6: Final answer
    x = 124,076.22

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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.