Home / 135,906.10-203,891.55-65,727.70

Finding the Fourth Proportional to 135,906.10, 203,891.55 and 65,727.70

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Solution

The fourth proportional to 135,906.10, 203,891.55 and 65,727.70 is: 98,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,906.10 : 203,891.55 = 65,727.70 : x
  2. Step 2: Convert to fraction form
    135,906.10/203,891.55 = 65,727.70/x
  3. Step 3: Cross multiply
    135,906.10x = 203,891.55 × 65,727.70
  4. Step 4: Simplify right side
    135,906.10x = 13,401,322,630.94
  5. Step 5: Solve for x
    x = 13,401,322,630.94/135,906.10
  6. Step 6: Final answer
    x = 98,607.22

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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.