Home / 204,741.76-307,138.56-80,066.56

Finding the Fourth Proportional to 204,741.76, 307,138.56 and 80,066.56

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Solution

The fourth proportional to 204,741.76, 307,138.56 and 80,066.56 is: 120,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,741.76 : 307,138.56 = 80,066.56 : x
  2. Step 2: Convert to fraction form
    204,741.76/307,138.56 = 80,066.56/x
  3. Step 3: Cross multiply
    204,741.76x = 307,138.56 × 80,066.56
  4. Step 4: Simplify right side
    204,741.76x = 24,591,527,942.55
  5. Step 5: Solve for x
    x = 24,591,527,942.55/204,741.76
  6. Step 6: Final answer
    x = 120,109.98

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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.