Home / 271,187.20-406,776.44-84,198.88

Finding the Fourth Proportional to 271,187.20, 406,776.44 and 84,198.88

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Solution

The fourth proportional to 271,187.20, 406,776.44 and 84,198.88 is: 126,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,187.20 : 406,776.44 = 84,198.88 : x
  2. Step 2: Convert to fraction form
    271,187.20/406,776.44 = 84,198.88/x
  3. Step 3: Cross multiply
    271,187.20x = 406,776.44 × 84,198.88
  4. Step 4: Simplify right side
    271,187.20x = 34,250,120,658.39
  5. Step 5: Solve for x
    x = 34,250,120,658.39/271,187.20
  6. Step 6: Final answer
    x = 126,296.97

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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.