Home / 394,570.20-591,855.30-158,082.60

Finding the Fourth Proportional to 394,570.20, 591,855.30 and 158,082.60

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Solution

The fourth proportional to 394,570.20, 591,855.30 and 158,082.60 is: 237,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,570.20 : 591,855.30 = 158,082.60 : x
  2. Step 2: Convert to fraction form
    394,570.20/591,855.30 = 158,082.60/x
  3. Step 3: Cross multiply
    394,570.20x = 591,855.30 × 158,082.60
  4. Step 4: Simplify right side
    394,570.20x = 93,562,024,647.78
  5. Step 5: Solve for x
    x = 93,562,024,647.78/394,570.20
  6. Step 6: Final answer
    x = 237,123.90

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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.