Home / 129,847.07-194,760.87-45,607.97

Finding the Fourth Proportional to 129,847.07, 194,760.87 and 45,607.97

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Solution

The fourth proportional to 129,847.07, 194,760.87 and 45,607.97 is: 68,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,847.07 : 194,760.87 = 45,607.97 : x
  2. Step 2: Convert to fraction form
    129,847.07/194,760.87 = 45,607.97/x
  3. Step 3: Cross multiply
    129,847.07x = 194,760.87 × 45,607.97
  4. Step 4: Simplify right side
    129,847.07x = 8,882,647,916.13
  5. Step 5: Solve for x
    x = 8,882,647,916.13/129,847.07
  6. Step 6: Final answer
    x = 68,408.54

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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.