Home / 135,922.20-203,883.30-100,930.20

Finding the Fourth Proportional to 135,922.20, 203,883.30 and 100,930.20

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Solution

The fourth proportional to 135,922.20, 203,883.30 and 100,930.20 is: 151,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,922.20 : 203,883.30 = 100,930.20 : x
  2. Step 2: Convert to fraction form
    135,922.20/203,883.30 = 100,930.20/x
  3. Step 3: Cross multiply
    135,922.20x = 203,883.30 × 100,930.20
  4. Step 4: Simplify right side
    135,922.20x = 20,577,982,245.66
  5. Step 5: Solve for x
    x = 20,577,982,245.66/135,922.20
  6. Step 6: Final answer
    x = 151,395.30

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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.