Home / 226,921.76-313,149.39-124,945.10

Finding the Fourth Proportional to 226,921.76, 313,149.39 and 124,945.10

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Solution

The fourth proportional to 226,921.76, 313,149.39 and 124,945.10 is: 172,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,921.76 : 313,149.39 = 124,945.10 : x
  2. Step 2: Convert to fraction form
    226,921.76/313,149.39 = 124,945.10/x
  3. Step 3: Cross multiply
    226,921.76x = 313,149.39 × 124,945.10
  4. Step 4: Simplify right side
    226,921.76x = 39,126,481,848.49
  5. Step 5: Solve for x
    x = 39,126,481,848.49/226,921.76
  6. Step 6: Final answer
    x = 172,422.79

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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.