Home / 204,704.76-307,031.22-80,133.24

Finding the Fourth Proportional to 204,704.76, 307,031.22 and 80,133.24

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Solution

The fourth proportional to 204,704.76, 307,031.22 and 80,133.24 is: 120,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,704.76 : 307,031.22 = 80,133.24 : x
  2. Step 2: Convert to fraction form
    204,704.76/307,031.22 = 80,133.24/x
  3. Step 3: Cross multiply
    204,704.76x = 307,031.22 × 80,133.24
  4. Step 4: Simplify right side
    204,704.76x = 24,603,406,439.75
  5. Step 5: Solve for x
    x = 24,603,406,439.75/204,704.76
  6. Step 6: Final answer
    x = 120,189.71

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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.