Home / 397,770.20-596,596.06-131,532.11

Finding the Fourth Proportional to 397,770.20, 596,596.06 and 131,532.11

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Solution

The fourth proportional to 397,770.20, 596,596.06 and 131,532.11 is: 197,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,770.20 : 596,596.06 = 131,532.11 : x
  2. Step 2: Convert to fraction form
    397,770.20/596,596.06 = 131,532.11/x
  3. Step 3: Cross multiply
    397,770.20x = 596,596.06 × 131,532.11
  4. Step 4: Simplify right side
    397,770.20x = 78,471,538,589.49
  5. Step 5: Solve for x
    x = 78,471,538,589.49/397,770.20
  6. Step 6: Final answer
    x = 197,278.58

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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.