Home / 263,082.71-394,501.37-136,688.97

Finding the Fourth Proportional to 263,082.71, 394,501.37 and 136,688.97

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Solution

The fourth proportional to 263,082.71, 394,501.37 and 136,688.97 is: 204,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,082.71 : 394,501.37 = 136,688.97 : x
  2. Step 2: Convert to fraction form
    263,082.71/394,501.37 = 136,688.97/x
  3. Step 3: Cross multiply
    263,082.71x = 394,501.37 × 136,688.97
  4. Step 4: Simplify right side
    263,082.71x = 53,923,985,245.44
  5. Step 5: Solve for x
    x = 53,923,985,245.44/263,082.71
  6. Step 6: Final answer
    x = 204,969.71

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1.5x scale

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.