Home / 204,849.29-307,262.99-78,550.04

Finding the Fourth Proportional to 204,849.29, 307,262.99 and 78,550.04

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Solution

The fourth proportional to 204,849.29, 307,262.99 and 78,550.04 is: 117,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,849.29 : 307,262.99 = 78,550.04 : x
  2. Step 2: Convert to fraction form
    204,849.29/307,262.99 = 78,550.04/x
  3. Step 3: Cross multiply
    204,849.29x = 307,262.99 × 78,550.04
  4. Step 4: Simplify right side
    204,849.29x = 24,135,518,225.95
  5. Step 5: Solve for x
    x = 24,135,518,225.95/204,849.29
  6. Step 6: Final answer
    x = 117,820.86

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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.