Home / 204,789.20-307,239.14-62,639.46

Finding the Fourth Proportional to 204,789.20, 307,239.14 and 62,639.46

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Solution

The fourth proportional to 204,789.20, 307,239.14 and 62,639.46 is: 93,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,789.20 : 307,239.14 = 62,639.46 : x
  2. Step 2: Convert to fraction form
    204,789.20/307,239.14 = 62,639.46/x
  3. Step 3: Cross multiply
    204,789.20x = 307,239.14 × 62,639.46
  4. Step 4: Simplify right side
    204,789.20x = 19,245,293,977.06
  5. Step 5: Solve for x
    x = 19,245,293,977.06/204,789.20
  6. Step 6: Final answer
    x = 93,976.12

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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.