Home / 311,861.19-467,704.92-131,884.46

Finding the Fourth Proportional to 311,861.19, 467,704.92 and 131,884.46

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Solution

The fourth proportional to 311,861.19, 467,704.92 and 131,884.46 is: 197,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,861.19 : 467,704.92 = 131,884.46 : x
  2. Step 2: Convert to fraction form
    311,861.19/467,704.92 = 131,884.46/x
  3. Step 3: Cross multiply
    311,861.19x = 467,704.92 × 131,884.46
  4. Step 4: Simplify right side
    311,861.19x = 61,683,010,813.54
  5. Step 5: Solve for x
    x = 61,683,010,813.54/311,861.19
  6. Step 6: Final answer
    x = 197,789.96

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1.5x scale

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.