Home / 135,105.46-186,446.27-73,851.73

Finding the Fourth Proportional to 135,105.46, 186,446.27 and 73,851.73

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Solution

The fourth proportional to 135,105.46, 186,446.27 and 73,851.73 is: 101,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,105.46 : 186,446.27 = 73,851.73 : x
  2. Step 2: Convert to fraction form
    135,105.46/186,446.27 = 73,851.73/x
  3. Step 3: Cross multiply
    135,105.46x = 186,446.27 × 73,851.73
  4. Step 4: Simplify right side
    135,105.46x = 13,769,379,591.55
  5. Step 5: Solve for x
    x = 13,769,379,591.55/135,105.46
  6. Step 6: Final answer
    x = 101,915.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.