Home / 204,256.25-306,392.61-71,149.97

Finding the Fourth Proportional to 204,256.25, 306,392.61 and 71,149.97

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Solution

The fourth proportional to 204,256.25, 306,392.61 and 71,149.97 is: 106,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,256.25 : 306,392.61 = 71,149.97 : x
  2. Step 2: Convert to fraction form
    204,256.25/306,392.61 = 71,149.97/x
  3. Step 3: Cross multiply
    204,256.25x = 306,392.61 × 71,149.97
  4. Step 4: Simplify right side
    204,256.25x = 21,799,823,477.76
  5. Step 5: Solve for x
    x = 21,799,823,477.76/204,256.25
  6. Step 6: Final answer
    x = 106,727.82

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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.