Home / 221,195.24-331,791.82-69,403.43

Finding the Fourth Proportional to 221,195.24, 331,791.82 and 69,403.43

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Solution

The fourth proportional to 221,195.24, 331,791.82 and 69,403.43 is: 104,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,195.24 : 331,791.82 = 69,403.43 : x
  2. Step 2: Convert to fraction form
    221,195.24/331,791.82 = 69,403.43/x
  3. Step 3: Cross multiply
    221,195.24x = 331,791.82 × 69,403.43
  4. Step 4: Simplify right side
    221,195.24x = 23,027,488,694.98
  5. Step 5: Solve for x
    x = 23,027,488,694.98/221,195.24
  6. Step 6: Final answer
    x = 104,104.81

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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.