Home / 226,229.87-339,388.55-85,977.56

Finding the Fourth Proportional to 226,229.87, 339,388.55 and 85,977.56

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Solution

The fourth proportional to 226,229.87, 339,388.55 and 85,977.56 is: 128,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,229.87 : 339,388.55 = 85,977.56 : x
  2. Step 2: Convert to fraction form
    226,229.87/339,388.55 = 85,977.56/x
  3. Step 3: Cross multiply
    226,229.87x = 339,388.55 × 85,977.56
  4. Step 4: Simplify right side
    226,229.87x = 29,179,800,161.94
  5. Step 5: Solve for x
    x = 29,179,800,161.94/226,229.87
  6. Step 6: Final answer
    x = 128,982.97

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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.