Home / 221,877.20-332,844.60-109,614.80

Finding the Fourth Proportional to 221,877.20, 332,844.60 and 109,614.80

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Solution

The fourth proportional to 221,877.20, 332,844.60 and 109,614.80 is: 164,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,877.20 : 332,844.60 = 109,614.80 : x
  2. Step 2: Convert to fraction form
    221,877.20/332,844.60 = 109,614.80/x
  3. Step 3: Cross multiply
    221,877.20x = 332,844.60 × 109,614.80
  4. Step 4: Simplify right side
    221,877.20x = 36,484,694,260.08
  5. Step 5: Solve for x
    x = 36,484,694,260.08/221,877.20
  6. Step 6: Final answer
    x = 164,436.43

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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.