Home / 206,528.20-309,293.30-117,512.04

Finding the Fourth Proportional to 206,528.20, 309,293.30 and 117,512.04

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Solution

The fourth proportional to 206,528.20, 309,293.30 and 117,512.04 is: 175,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,528.20 : 309,293.30 = 117,512.04 : x
  2. Step 2: Convert to fraction form
    206,528.20/309,293.30 = 117,512.04/x
  3. Step 3: Cross multiply
    206,528.20x = 309,293.30 × 117,512.04
  4. Step 4: Simplify right side
    206,528.20x = 36,345,686,641.33
  5. Step 5: Solve for x
    x = 36,345,686,641.33/206,528.20
  6. Step 6: Final answer
    x = 175,984.14

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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.