Home / 129,474.05-194,211.68-45,233.84

Finding the Fourth Proportional to 129,474.05, 194,211.68 and 45,233.84

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Solution

The fourth proportional to 129,474.05, 194,211.68 and 45,233.84 is: 67,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,474.05 : 194,211.68 = 45,233.84 : x
  2. Step 2: Convert to fraction form
    129,474.05/194,211.68 = 45,233.84/x
  3. Step 3: Cross multiply
    129,474.05x = 194,211.68 × 45,233.84
  4. Step 4: Simplify right side
    129,474.05x = 8,784,940,318.61
  5. Step 5: Solve for x
    x = 8,784,940,318.61/129,474.05
  6. Step 6: Final answer
    x = 67,850.98

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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.