Home / 149,238.72-222,766.20-131,524.56

Finding the Fourth Proportional to 149,238.72, 222,766.20 and 131,524.56

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Solution

The fourth proportional to 149,238.72, 222,766.20 and 131,524.56 is: 196,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,238.72 : 222,766.20 = 131,524.56 : x
  2. Step 2: Convert to fraction form
    149,238.72/222,766.20 = 131,524.56/x
  3. Step 3: Cross multiply
    149,238.72x = 222,766.20 × 131,524.56
  4. Step 4: Simplify right side
    149,238.72x = 29,299,226,437.87
  5. Step 5: Solve for x
    x = 29,299,226,437.87/149,238.72
  6. Step 6: Final answer
    x = 196,324.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.