Home / 226,311.75-312,310.38-124,343.76

Finding the Fourth Proportional to 226,311.75, 312,310.38 and 124,343.76

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Solution

The fourth proportional to 226,311.75, 312,310.38 and 124,343.76 is: 171,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,311.75 : 312,310.38 = 124,343.76 : x
  2. Step 2: Convert to fraction form
    226,311.75/312,310.38 = 124,343.76/x
  3. Step 3: Cross multiply
    226,311.75x = 312,310.38 × 124,343.76
  4. Step 4: Simplify right side
    226,311.75x = 38,833,846,936.23
  5. Step 5: Solve for x
    x = 38,833,846,936.23/226,311.75
  6. Step 6: Final answer
    x = 171,594.48

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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.