Home / 481,229.50-721,844.26-148,805.50

Finding the Fourth Proportional to 481,229.50, 721,844.26 and 148,805.50

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Solution

The fourth proportional to 481,229.50, 721,844.26 and 148,805.50 is: 223,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,229.50 : 721,844.26 = 148,805.50 : x
  2. Step 2: Convert to fraction form
    481,229.50/721,844.26 = 148,805.50/x
  3. Step 3: Cross multiply
    481,229.50x = 721,844.26 × 148,805.50
  4. Step 4: Simplify right side
    481,229.50x = 107,414,396,031.43
  5. Step 5: Solve for x
    x = 107,414,396,031.43/481,229.50
  6. Step 6: Final answer
    x = 223,208.25

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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.