Home / 226,764.56-312,936.52-124,787.20

Finding the Fourth Proportional to 226,764.56, 312,936.52 and 124,787.20

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Solution

The fourth proportional to 226,764.56, 312,936.52 and 124,787.20 is: 172,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,764.56 : 312,936.52 = 124,787.20 : x
  2. Step 2: Convert to fraction form
    226,764.56/312,936.52 = 124,787.20/x
  3. Step 3: Cross multiply
    226,764.56x = 312,936.52 × 124,787.20
  4. Step 4: Simplify right side
    226,764.56x = 39,050,472,108.54
  5. Step 5: Solve for x
    x = 39,050,472,108.54/226,764.56
  6. Step 6: Final answer
    x = 172,207.12

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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.