Home / 204,862.75-307,382.78-109,982.23

Finding the Fourth Proportional to 204,862.75, 307,382.78 and 109,982.23

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Solution

The fourth proportional to 204,862.75, 307,382.78 and 109,982.23 is: 165,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,862.75 : 307,382.78 = 109,982.23 : x
  2. Step 2: Convert to fraction form
    204,862.75/307,382.78 = 109,982.23/x
  3. Step 3: Cross multiply
    204,862.75x = 307,382.78 × 109,982.23
  4. Step 4: Simplify right side
    204,862.75x = 33,806,643,608.00
  5. Step 5: Solve for x
    x = 33,806,643,608.00/204,862.75
  6. Step 6: Final answer
    x = 165,020.94

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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.