Home / 226,705.98-312,856.65-124,732.79

Finding the Fourth Proportional to 226,705.98, 312,856.65 and 124,732.79

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Solution

The fourth proportional to 226,705.98, 312,856.65 and 124,732.79 is: 172,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,705.98 : 312,856.65 = 124,732.79 : x
  2. Step 2: Convert to fraction form
    226,705.98/312,856.65 = 124,732.79/x
  3. Step 3: Cross multiply
    226,705.98x = 312,856.65 × 124,732.79
  4. Step 4: Simplify right side
    226,705.98x = 39,023,481,260.27
  5. Step 5: Solve for x
    x = 39,023,481,260.27/226,705.98
  6. Step 6: Final answer
    x = 172,132.56

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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.