Home / 159,974.04-220,769.10-88,358.70

Finding the Fourth Proportional to 159,974.04, 220,769.10 and 88,358.70

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Solution

The fourth proportional to 159,974.04, 220,769.10 and 88,358.70 is: 121,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,974.04 : 220,769.10 = 88,358.70 : x
  2. Step 2: Convert to fraction form
    159,974.04/220,769.10 = 88,358.70/x
  3. Step 3: Cross multiply
    159,974.04x = 220,769.10 × 88,358.70
  4. Step 4: Simplify right side
    159,974.04x = 19,506,870,676.17
  5. Step 5: Solve for x
    x = 19,506,870,676.17/159,974.04
  6. Step 6: Final answer
    x = 121,937.73

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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.