Home / 206,524.20-309,287.32-117,508.02

Finding the Fourth Proportional to 206,524.20, 309,287.32 and 117,508.02

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Solution

The fourth proportional to 206,524.20, 309,287.32 and 117,508.02 is: 175,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,524.20 : 309,287.32 = 117,508.02 : x
  2. Step 2: Convert to fraction form
    206,524.20/309,287.32 = 117,508.02/x
  3. Step 3: Cross multiply
    206,524.20x = 309,287.32 × 117,508.02
  4. Step 4: Simplify right side
    206,524.20x = 36,343,740,584.31
  5. Step 5: Solve for x
    x = 36,343,740,584.31/206,524.20
  6. Step 6: Final answer
    x = 175,978.12

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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.