Home / 154,481.50-231,723.67-60,987.25

Finding the Fourth Proportional to 154,481.50, 231,723.67 and 60,987.25

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Solution

The fourth proportional to 154,481.50, 231,723.67 and 60,987.25 is: 91,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,481.50 : 231,723.67 = 60,987.25 : x
  2. Step 2: Convert to fraction form
    154,481.50/231,723.67 = 60,987.25/x
  3. Step 3: Cross multiply
    154,481.50x = 231,723.67 × 60,987.25
  4. Step 4: Simplify right side
    154,481.50x = 14,132,189,393.21
  5. Step 5: Solve for x
    x = 14,132,189,393.21/154,481.50
  6. Step 6: Final answer
    x = 91,481.44

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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.