Home / 135,541.56-203,351.22-52,493.88

Finding the Fourth Proportional to 135,541.56, 203,351.22 and 52,493.88

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Solution

The fourth proportional to 135,541.56, 203,351.22 and 52,493.88 is: 78,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,541.56 : 203,351.22 = 52,493.88 : x
  2. Step 2: Convert to fraction form
    135,541.56/203,351.22 = 52,493.88/x
  3. Step 3: Cross multiply
    135,541.56x = 203,351.22 × 52,493.88
  4. Step 4: Simplify right side
    135,541.56x = 10,674,694,540.53
  5. Step 5: Solve for x
    x = 10,674,694,540.53/135,541.56
  6. Step 6: Final answer
    x = 78,755.88

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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.