Home / 399,150.23-598,821.03-132,913.04

Finding the Fourth Proportional to 399,150.23, 598,821.03 and 132,913.04

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Solution

The fourth proportional to 399,150.23, 598,821.03 and 132,913.04 is: 199,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,150.23 : 598,821.03 = 132,913.04 : x
  2. Step 2: Convert to fraction form
    399,150.23/598,821.03 = 132,913.04/x
  3. Step 3: Cross multiply
    399,150.23x = 598,821.03 × 132,913.04
  4. Step 4: Simplify right side
    399,150.23x = 79,591,120,519.13
  5. Step 5: Solve for x
    x = 79,591,120,519.13/399,150.23
  6. Step 6: Final answer
    x = 199,401.42

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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.