Home / 151,279.79-226,722.65-67,064.09

Finding the Fourth Proportional to 151,279.79, 226,722.65 and 67,064.09

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Solution

The fourth proportional to 151,279.79, 226,722.65 and 67,064.09 is: 100,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,279.79 : 226,722.65 = 67,064.09 : x
  2. Step 2: Convert to fraction form
    151,279.79/226,722.65 = 67,064.09/x
  3. Step 3: Cross multiply
    151,279.79x = 226,722.65 × 67,064.09
  4. Step 4: Simplify right side
    151,279.79x = 15,204,946,735.70
  5. Step 5: Solve for x
    x = 15,204,946,735.70/151,279.79
  6. Step 6: Final answer
    x = 100,508.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.