Home / 221,769.20-332,556.60-88,605.20

Finding the Fourth Proportional to 221,769.20, 332,556.60 and 88,605.20

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Solution

The fourth proportional to 221,769.20, 332,556.60 and 88,605.20 is: 132,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,769.20 : 332,556.60 = 88,605.20 : x
  2. Step 2: Convert to fraction form
    221,769.20/332,556.60 = 88,605.20/x
  3. Step 3: Cross multiply
    221,769.20x = 332,556.60 × 88,605.20
  4. Step 4: Simplify right side
    221,769.20x = 29,466,244,054.32
  5. Step 5: Solve for x
    x = 29,466,244,054.32/221,769.20
  6. Step 6: Final answer
    x = 132,868.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.