Home / 331,217.94-457,067.16-187,975.38

Finding the Fourth Proportional to 331,217.94, 457,067.16 and 187,975.38

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Solution

The fourth proportional to 331,217.94, 457,067.16 and 187,975.38 is: 259,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,217.94 : 457,067.16 = 187,975.38 : x
  2. Step 2: Convert to fraction form
    331,217.94/457,067.16 = 187,975.38/x
  3. Step 3: Cross multiply
    331,217.94x = 457,067.16 × 187,975.38
  4. Step 4: Simplify right side
    331,217.94x = 85,917,373,086.52
  5. Step 5: Solve for x
    x = 85,917,373,086.52/331,217.94
  6. Step 6: Final answer
    x = 259,398.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.