Home / 204,200.48-306,333.42-71,118.56

Finding the Fourth Proportional to 204,200.48, 306,333.42 and 71,118.56

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Solution

The fourth proportional to 204,200.48, 306,333.42 and 71,118.56 is: 106,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,200.48 : 306,333.42 = 71,118.56 : x
  2. Step 2: Convert to fraction form
    204,200.48/306,333.42 = 71,118.56/x
  3. Step 3: Cross multiply
    204,200.48x = 306,333.42 × 71,118.56
  4. Step 4: Simplify right side
    204,200.48x = 21,785,991,710.28
  5. Step 5: Solve for x
    x = 21,785,991,710.28/204,200.48
  6. Step 6: Final answer
    x = 106,689.23

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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.