Home / 204,574.30-307,001.90-71,454.69

Finding the Fourth Proportional to 204,574.30, 307,001.90 and 71,454.69

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Solution

The fourth proportional to 204,574.30, 307,001.90 and 71,454.69 is: 107,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,574.30 : 307,001.90 = 71,454.69 : x
  2. Step 2: Convert to fraction form
    204,574.30/307,001.90 = 71,454.69/x
  3. Step 3: Cross multiply
    204,574.30x = 307,001.90 × 71,454.69
  4. Step 4: Simplify right side
    204,574.30x = 21,936,725,772.55
  5. Step 5: Solve for x
    x = 21,936,725,772.55/204,574.30
  6. Step 6: Final answer
    x = 107,231.09

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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.