Home / 206,893.35-309,909.46-199,755.63

Finding the Fourth Proportional to 206,893.35, 309,909.46 and 199,755.63

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Solution

The fourth proportional to 206,893.35, 309,909.46 and 199,755.63 is: 299,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,893.35 : 309,909.46 = 199,755.63 : x
  2. Step 2: Convert to fraction form
    206,893.35/309,909.46 = 199,755.63/x
  3. Step 3: Cross multiply
    206,893.35x = 309,909.46 × 199,755.63
  4. Step 4: Simplify right side
    206,893.35x = 61,906,159,425.26
  5. Step 5: Solve for x
    x = 61,906,159,425.26/206,893.35
  6. Step 6: Final answer
    x = 299,217.73

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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.