Home / 204,451.11-306,725.22-64,209.78

Finding the Fourth Proportional to 204,451.11, 306,725.22 and 64,209.78

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Solution

The fourth proportional to 204,451.11, 306,725.22 and 64,209.78 is: 96,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,451.11 : 306,725.22 = 64,209.78 : x
  2. Step 2: Convert to fraction form
    204,451.11/306,725.22 = 64,209.78/x
  3. Step 3: Cross multiply
    204,451.11x = 306,725.22 × 64,209.78
  4. Step 4: Simplify right side
    204,451.11x = 19,694,758,896.65
  5. Step 5: Solve for x
    x = 19,694,758,896.65/204,451.11
  6. Step 6: Final answer
    x = 96,329.92

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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.