Home / 206,563.06-309,845.96-56,819.17

Finding the Fourth Proportional to 206,563.06, 309,845.96 and 56,819.17

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Solution

The fourth proportional to 206,563.06, 309,845.96 and 56,819.17 is: 85,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,563.06 : 309,845.96 = 56,819.17 : x
  2. Step 2: Convert to fraction form
    206,563.06/309,845.96 = 56,819.17/x
  3. Step 3: Cross multiply
    206,563.06x = 309,845.96 × 56,819.17
  4. Step 4: Simplify right side
    206,563.06x = 17,605,190,591.34
  5. Step 5: Solve for x
    x = 17,605,190,591.34/206,563.06
  6. Step 6: Final answer
    x = 85,229.13

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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.