Home / 217,961.73-326,995.29-75,786.48

Finding the Fourth Proportional to 217,961.73, 326,995.29 and 75,786.48

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Solution

The fourth proportional to 217,961.73, 326,995.29 and 75,786.48 is: 113,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,961.73 : 326,995.29 = 75,786.48 : x
  2. Step 2: Convert to fraction form
    217,961.73/326,995.29 = 75,786.48/x
  3. Step 3: Cross multiply
    217,961.73x = 326,995.29 × 75,786.48
  4. Step 4: Simplify right side
    217,961.73x = 24,781,822,005.68
  5. Step 5: Solve for x
    x = 24,781,822,005.68/217,961.73
  6. Step 6: Final answer
    x = 113,698.04

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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.