Home / 129,944.40-194,936.22-55,064.85

Finding the Fourth Proportional to 129,944.40, 194,936.22 and 55,064.85

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Solution

The fourth proportional to 129,944.40, 194,936.22 and 55,064.85 is: 82,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,944.40 : 194,936.22 = 55,064.85 : x
  2. Step 2: Convert to fraction form
    129,944.40/194,936.22 = 55,064.85/x
  3. Step 3: Cross multiply
    129,944.40x = 194,936.22 × 55,064.85
  4. Step 4: Simplify right side
    129,944.40x = 10,734,133,713.87
  5. Step 5: Solve for x
    x = 10,734,133,713.87/129,944.40
  6. Step 6: Final answer
    x = 82,605.59

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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.