Home / 221,566.60-332,123.10-109,073.80

Finding the Fourth Proportional to 221,566.60, 332,123.10 and 109,073.80

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Solution

The fourth proportional to 221,566.60, 332,123.10 and 109,073.80 is: 163,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,566.60 : 332,123.10 = 109,073.80 : x
  2. Step 2: Convert to fraction form
    221,566.60/332,123.10 = 109,073.80/x
  3. Step 3: Cross multiply
    221,566.60x = 332,123.10 × 109,073.80
  4. Step 4: Simplify right side
    221,566.60x = 36,225,928,584.78
  5. Step 5: Solve for x
    x = 36,225,928,584.78/221,566.60
  6. Step 6: Final answer
    x = 163,499.05

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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.