Home / 321,194.10-482,013.09-110,832.78

Finding the Fourth Proportional to 321,194.10, 482,013.09 and 110,832.78

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Solution

The fourth proportional to 321,194.10, 482,013.09 and 110,832.78 is: 166,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,194.10 : 482,013.09 = 110,832.78 : x
  2. Step 2: Convert to fraction form
    321,194.10/482,013.09 = 110,832.78/x
  3. Step 3: Cross multiply
    321,194.10x = 482,013.09 × 110,832.78
  4. Step 4: Simplify right side
    321,194.10x = 53,422,850,761.09
  5. Step 5: Solve for x
    x = 53,422,850,761.09/321,194.10
  6. Step 6: Final answer
    x = 166,325.75

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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.