Home / 206,382.06-309,574.17-93,983.90

Finding the Fourth Proportional to 206,382.06, 309,574.17 and 93,983.90

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Solution

The fourth proportional to 206,382.06, 309,574.17 and 93,983.90 is: 140,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,382.06 : 309,574.17 = 93,983.90 : x
  2. Step 2: Convert to fraction form
    206,382.06/309,574.17 = 93,983.90/x
  3. Step 3: Cross multiply
    206,382.06x = 309,574.17 × 93,983.90
  4. Step 4: Simplify right side
    206,382.06x = 29,094,986,287.99
  5. Step 5: Solve for x
    x = 29,094,986,287.99/206,382.06
  6. Step 6: Final answer
    x = 140,976.33

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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.