Home / 217,819.64-326,717.70-68,042.73

Finding the Fourth Proportional to 217,819.64, 326,717.70 and 68,042.73

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Solution

The fourth proportional to 217,819.64, 326,717.70 and 68,042.73 is: 102,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,819.64 : 326,717.70 = 68,042.73 : x
  2. Step 2: Convert to fraction form
    217,819.64/326,717.70 = 68,042.73/x
  3. Step 3: Cross multiply
    217,819.64x = 326,717.70 × 68,042.73
  4. Step 4: Simplify right side
    217,819.64x = 22,230,764,247.32
  5. Step 5: Solve for x
    x = 22,230,764,247.32/217,819.64
  6. Step 6: Final answer
    x = 102,060.42

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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.