Home / 204,775.69-307,142.77-54,996.52

Finding the Fourth Proportional to 204,775.69, 307,142.77 and 54,996.52

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Solution

The fourth proportional to 204,775.69, 307,142.77 and 54,996.52 is: 82,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,775.69 : 307,142.77 = 54,996.52 : x
  2. Step 2: Convert to fraction form
    204,775.69/307,142.77 = 54,996.52/x
  3. Step 3: Cross multiply
    204,775.69x = 307,142.77 × 54,996.52
  4. Step 4: Simplify right side
    204,775.69x = 16,891,783,493.16
  5. Step 5: Solve for x
    x = 16,891,783,493.16/204,775.69
  6. Step 6: Final answer
    x = 82,489.20

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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.