Home / 129,260.60-193,811.52-50,282.78

Finding the Fourth Proportional to 129,260.60, 193,811.52 and 50,282.78

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Solution

The fourth proportional to 129,260.60, 193,811.52 and 50,282.78 is: 75,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,260.60 : 193,811.52 = 50,282.78 : x
  2. Step 2: Convert to fraction form
    129,260.60/193,811.52 = 50,282.78/x
  3. Step 3: Cross multiply
    129,260.60x = 193,811.52 × 50,282.78
  4. Step 4: Simplify right side
    129,260.60x = 9,745,382,021.63
  5. Step 5: Solve for x
    x = 9,745,382,021.63/129,260.60
  6. Step 6: Final answer
    x = 75,393.29

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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.