Home / 396,747.57-595,043.85-126,803.30

Finding the Fourth Proportional to 396,747.57, 595,043.85 and 126,803.30

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Solution

The fourth proportional to 396,747.57, 595,043.85 and 126,803.30 is: 190,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,747.57 : 595,043.85 = 126,803.30 : x
  2. Step 2: Convert to fraction form
    396,747.57/595,043.85 = 126,803.30/x
  3. Step 3: Cross multiply
    396,747.57x = 595,043.85 × 126,803.30
  4. Step 4: Simplify right side
    396,747.57x = 75,453,520,849.49
  5. Step 5: Solve for x
    x = 75,453,520,849.49/396,747.57
  6. Step 6: Final answer
    x = 190,180.17

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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.