Home / 226,609.39-312,723.05-123,244.56

Finding the Fourth Proportional to 226,609.39, 312,723.05 and 123,244.56

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Solution

The fourth proportional to 226,609.39, 312,723.05 and 123,244.56 is: 170,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,609.39 : 312,723.05 = 123,244.56 : x
  2. Step 2: Convert to fraction form
    226,609.39/312,723.05 = 123,244.56/x
  3. Step 3: Cross multiply
    226,609.39x = 312,723.05 × 123,244.56
  4. Step 4: Simplify right side
    226,609.39x = 38,541,414,699.11
  5. Step 5: Solve for x
    x = 38,541,414,699.11/226,609.39
  6. Step 6: Final answer
    x = 170,078.63

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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.