Home / 204,455.86-282,179.22-122,789.62

Finding the Fourth Proportional to 204,455.86, 282,179.22 and 122,789.62

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Solution

The fourth proportional to 204,455.86, 282,179.22 and 122,789.62 is: 169,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,455.86 : 282,179.22 = 122,789.62 : x
  2. Step 2: Convert to fraction form
    204,455.86/282,179.22 = 122,789.62/x
  3. Step 3: Cross multiply
    204,455.86x = 282,179.22 × 122,789.62
  4. Step 4: Simplify right side
    204,455.86x = 34,648,679,195.70
  5. Step 5: Solve for x
    x = 34,648,679,195.70/204,455.86
  6. Step 6: Final answer
    x = 169,467.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.