Home / 398,436.03-597,432.11-132,051.33

Finding the Fourth Proportional to 398,436.03, 597,432.11 and 132,051.33

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Solution

The fourth proportional to 398,436.03, 597,432.11 and 132,051.33 is: 198,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,436.03 : 597,432.11 = 132,051.33 : x
  2. Step 2: Convert to fraction form
    398,436.03/597,432.11 = 132,051.33/x
  3. Step 3: Cross multiply
    398,436.03x = 597,432.11 × 132,051.33
  4. Step 4: Simplify right side
    398,436.03x = 78,891,704,049.95
  5. Step 5: Solve for x
    x = 78,891,704,049.95/398,436.03
  6. Step 6: Final answer
    x = 198,003.44

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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.