Home / 206,968.24-310,454.28-82,341.04

Finding the Fourth Proportional to 206,968.24, 310,454.28 and 82,341.04

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Solution

The fourth proportional to 206,968.24, 310,454.28 and 82,341.04 is: 123,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,968.24 : 310,454.28 = 82,341.04 : x
  2. Step 2: Convert to fraction form
    206,968.24/310,454.28 = 82,341.04/x
  3. Step 3: Cross multiply
    206,968.24x = 310,454.28 × 82,341.04
  4. Step 4: Simplify right side
    206,968.24x = 25,563,128,287.65
  5. Step 5: Solve for x
    x = 25,563,128,287.65/206,968.24
  6. Step 6: Final answer
    x = 123,512.32

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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.