Home / 204,198.84-306,331.00-71,116.92

Finding the Fourth Proportional to 204,198.84, 306,331.00 and 71,116.92

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Solution

The fourth proportional to 204,198.84, 306,331.00 and 71,116.92 is: 106,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,198.84 : 306,331.00 = 71,116.92 : x
  2. Step 2: Convert to fraction form
    204,198.84/306,331.00 = 71,116.92/x
  3. Step 3: Cross multiply
    204,198.84x = 306,331.00 × 71,116.92
  4. Step 4: Simplify right side
    204,198.84x = 21,785,317,042.73
  5. Step 5: Solve for x
    x = 21,785,317,042.73/204,198.84
  6. Step 6: Final answer
    x = 106,686.78

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1.5x scale

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.