Home / 226,752.76-312,921.64-124,789.96

Finding the Fourth Proportional to 226,752.76, 312,921.64 and 124,789.96

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Solution

The fourth proportional to 226,752.76, 312,921.64 and 124,789.96 is: 172,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,752.76 : 312,921.64 = 124,789.96 : x
  2. Step 2: Convert to fraction form
    226,752.76/312,921.64 = 124,789.96/x
  3. Step 3: Cross multiply
    226,752.76x = 312,921.64 × 124,789.96
  4. Step 4: Simplify right side
    226,752.76x = 39,049,478,938.73
  5. Step 5: Solve for x
    x = 39,049,478,938.73/226,752.76
  6. Step 6: Final answer
    x = 172,211.70

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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.