Home / 204,405.13-306,584.29-54,657.10

Finding the Fourth Proportional to 204,405.13, 306,584.29 and 54,657.10

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Solution

The fourth proportional to 204,405.13, 306,584.29 and 54,657.10 is: 81,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,405.13 : 306,584.29 = 54,657.10 : x
  2. Step 2: Convert to fraction form
    204,405.13/306,584.29 = 54,657.10/x
  3. Step 3: Cross multiply
    204,405.13x = 306,584.29 × 54,657.10
  4. Step 4: Simplify right side
    204,405.13x = 16,757,007,077.70
  5. Step 5: Solve for x
    x = 16,757,007,077.70/204,405.13
  6. Step 6: Final answer
    x = 81,979.39

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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.