Home / 204,733.80-307,295.10-126,001.80

Finding the Fourth Proportional to 204,733.80, 307,295.10 and 126,001.80

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Solution

The fourth proportional to 204,733.80, 307,295.10 and 126,001.80 is: 189,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,733.80 : 307,295.10 = 126,001.80 : x
  2. Step 2: Convert to fraction form
    204,733.80/307,295.10 = 126,001.80/x
  3. Step 3: Cross multiply
    204,733.80x = 307,295.10 × 126,001.80
  4. Step 4: Simplify right side
    204,733.80x = 38,719,735,731.18
  5. Step 5: Solve for x
    x = 38,719,735,731.18/204,733.80
  6. Step 6: Final answer
    x = 189,122.34

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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.