Home / 204,940.20-307,410.30-144,805.80

Finding the Fourth Proportional to 204,940.20, 307,410.30 and 144,805.80

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Solution

The fourth proportional to 204,940.20, 307,410.30 and 144,805.80 is: 217,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,940.20 : 307,410.30 = 144,805.80 : x
  2. Step 2: Convert to fraction form
    204,940.20/307,410.30 = 144,805.80/x
  3. Step 3: Cross multiply
    204,940.20x = 307,410.30 × 144,805.80
  4. Step 4: Simplify right side
    204,940.20x = 44,514,794,419.74
  5. Step 5: Solve for x
    x = 44,514,794,419.74/204,940.20
  6. Step 6: Final answer
    x = 217,208.70

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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.