Home / 129,863.60-194,795.40-124,614.80

Finding the Fourth Proportional to 129,863.60, 194,795.40 and 124,614.80

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Solution

The fourth proportional to 129,863.60, 194,795.40 and 124,614.80 is: 186,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,863.60 : 194,795.40 = 124,614.80 : x
  2. Step 2: Convert to fraction form
    129,863.60/194,795.40 = 124,614.80/x
  3. Step 3: Cross multiply
    129,863.60x = 194,795.40 × 124,614.80
  4. Step 4: Simplify right side
    129,863.60x = 24,274,389,811.92
  5. Step 5: Solve for x
    x = 24,274,389,811.92/129,863.60
  6. Step 6: Final answer
    x = 186,922.20

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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.