Home / 237,778.50-356,416.38-87,922.56

Finding the Fourth Proportional to 237,778.50, 356,416.38 and 87,922.56

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Solution

The fourth proportional to 237,778.50, 356,416.38 and 87,922.56 is: 131,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,778.50 : 356,416.38 = 87,922.56 : x
  2. Step 2: Convert to fraction form
    237,778.50/356,416.38 = 87,922.56/x
  3. Step 3: Cross multiply
    237,778.50x = 356,416.38 × 87,922.56
  4. Step 4: Simplify right side
    237,778.50x = 31,337,040,555.53
  5. Step 5: Solve for x
    x = 31,337,040,555.53/237,778.50
  6. Step 6: Final answer
    x = 131,790.89

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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.