Home / 129,616.92-194,441.58-50,720.94

Finding the Fourth Proportional to 129,616.92, 194,441.58 and 50,720.94

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Solution

The fourth proportional to 129,616.92, 194,441.58 and 50,720.94 is: 76,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,616.92 : 194,441.58 = 50,720.94 : x
  2. Step 2: Convert to fraction form
    129,616.92/194,441.58 = 50,720.94/x
  3. Step 3: Cross multiply
    129,616.92x = 194,441.58 × 50,720.94
  4. Step 4: Simplify right side
    129,616.92x = 9,862,259,712.69
  5. Step 5: Solve for x
    x = 9,862,259,712.69/129,616.92
  6. Step 6: Final answer
    x = 76,087.75

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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.