Home / 227,149.32-313,468.13-125,178.43

Finding the Fourth Proportional to 227,149.32, 313,468.13 and 125,178.43

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Solution

The fourth proportional to 227,149.32, 313,468.13 and 125,178.43 is: 172,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,149.32 : 313,468.13 = 125,178.43 : x
  2. Step 2: Convert to fraction form
    227,149.32/313,468.13 = 125,178.43/x
  3. Step 3: Cross multiply
    227,149.32x = 313,468.13 × 125,178.43
  4. Step 4: Simplify right side
    227,149.32x = 39,239,448,368.44
  5. Step 5: Solve for x
    x = 39,239,448,368.44/227,149.32
  6. Step 6: Final answer
    x = 172,747.37

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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.