Home / 325,081.20-486,671.40-231,769.20

Finding the Fourth Proportional to 325,081.20, 486,671.40 and 231,769.20

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Solution

The fourth proportional to 325,081.20, 486,671.40 and 231,769.20 is: 346,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,081.20 : 486,671.40 = 231,769.20 : x
  2. Step 2: Convert to fraction form
    325,081.20/486,671.40 = 231,769.20/x
  3. Step 3: Cross multiply
    325,081.20x = 486,671.40 × 231,769.20
  4. Step 4: Simplify right side
    325,081.20x = 112,795,441,040.88
  5. Step 5: Solve for x
    x = 112,795,441,040.88/325,081.20
  6. Step 6: Final answer
    x = 346,976.20

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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.