Home / 158,822.58-219,179.76-89,906.60

Finding the Fourth Proportional to 158,822.58, 219,179.76 and 89,906.60

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Solution

The fourth proportional to 158,822.58, 219,179.76 and 89,906.60 is: 124,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,822.58 : 219,179.76 = 89,906.60 : x
  2. Step 2: Convert to fraction form
    158,822.58/219,179.76 = 89,906.60/x
  3. Step 3: Cross multiply
    158,822.58x = 219,179.76 × 89,906.60
  4. Step 4: Simplify right side
    158,822.58x = 19,705,707,010.42
  5. Step 5: Solve for x
    x = 19,705,707,010.42/158,822.58
  6. Step 6: Final answer
    x = 124,073.71

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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.