Home / 206,584.80-309,634.20-117,922.20

Finding the Fourth Proportional to 206,584.80, 309,634.20 and 117,922.20

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Solution

The fourth proportional to 206,584.80, 309,634.20 and 117,922.20 is: 176,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,584.80 : 309,634.20 = 117,922.20 : x
  2. Step 2: Convert to fraction form
    206,584.80/309,634.20 = 117,922.20/x
  3. Step 3: Cross multiply
    206,584.80x = 309,634.20 × 117,922.20
  4. Step 4: Simplify right side
    206,584.80x = 36,512,746,059.24
  5. Step 5: Solve for x
    x = 36,512,746,059.24/206,584.80
  6. Step 6: Final answer
    x = 176,744.59

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1.5x scale

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.