Home / 226,321.33-312,318.41-122,952.85

Finding the Fourth Proportional to 226,321.33, 312,318.41 and 122,952.85

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Solution

The fourth proportional to 226,321.33, 312,318.41 and 122,952.85 is: 169,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,321.33 : 312,318.41 = 122,952.85 : x
  2. Step 2: Convert to fraction form
    226,321.33/312,318.41 = 122,952.85/x
  3. Step 3: Cross multiply
    226,321.33x = 312,318.41 × 122,952.85
  4. Step 4: Simplify right side
    226,321.33x = 38,400,436,440.61
  5. Step 5: Solve for x
    x = 38,400,436,440.61/226,321.33
  6. Step 6: Final answer
    x = 169,672.20

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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.