Home / 135,355.91-203,233.46-75,501.33

Finding the Fourth Proportional to 135,355.91, 203,233.46 and 75,501.33

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Solution

The fourth proportional to 135,355.91, 203,233.46 and 75,501.33 is: 113,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,355.91 : 203,233.46 = 75,501.33 : x
  2. Step 2: Convert to fraction form
    135,355.91/203,233.46 = 75,501.33/x
  3. Step 3: Cross multiply
    135,355.91x = 203,233.46 × 75,501.33
  4. Step 4: Simplify right side
    135,355.91x = 15,344,397,440.53
  5. Step 5: Solve for x
    x = 15,344,397,440.53/135,355.91
  6. Step 6: Final answer
    x = 113,363.33

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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.