Home / 206,206.12-284,584.42-115,577.48

Finding the Fourth Proportional to 206,206.12, 284,584.42 and 115,577.48

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Solution

The fourth proportional to 206,206.12, 284,584.42 and 115,577.48 is: 159,508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,206.12 : 284,584.42 = 115,577.48 : x
  2. Step 2: Convert to fraction form
    206,206.12/284,584.42 = 115,577.48/x
  3. Step 3: Cross multiply
    206,206.12x = 284,584.42 × 115,577.48
  4. Step 4: Simplify right side
    206,206.12x = 32,891,550,110.86
  5. Step 5: Solve for x
    x = 32,891,550,110.86/206,206.12
  6. Step 6: Final answer
    x = 159,508.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.