Home / 443,251.20-664,876.78-110,827.20

Finding the Fourth Proportional to 443,251.20, 664,876.78 and 110,827.20

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Solution

The fourth proportional to 443,251.20, 664,876.78 and 110,827.20 is: 166,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,251.20 : 664,876.78 = 110,827.20 : x
  2. Step 2: Convert to fraction form
    443,251.20/664,876.78 = 110,827.20/x
  3. Step 3: Cross multiply
    443,251.20x = 664,876.78 × 110,827.20
  4. Step 4: Simplify right side
    443,251.20x = 73,686,431,872.42
  5. Step 5: Solve for x
    x = 73,686,431,872.42/443,251.20
  6. Step 6: Final answer
    x = 166,240.79

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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.