Home / 226,077.20-339,115.80-172,933.10

Finding the Fourth Proportional to 226,077.20, 339,115.80 and 172,933.10

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Solution

The fourth proportional to 226,077.20, 339,115.80 and 172,933.10 is: 259,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,077.20 : 339,115.80 = 172,933.10 : x
  2. Step 2: Convert to fraction form
    226,077.20/339,115.80 = 172,933.10/x
  3. Step 3: Cross multiply
    226,077.20x = 339,115.80 × 172,933.10
  4. Step 4: Simplify right side
    226,077.20x = 58,644,346,552.98
  5. Step 5: Solve for x
    x = 58,644,346,552.98/226,077.20
  6. Step 6: Final answer
    x = 259,399.65

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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.