Home / 129,767.40-194,733.09-50,879.52

Finding the Fourth Proportional to 129,767.40, 194,733.09 and 50,879.52

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Solution

The fourth proportional to 129,767.40, 194,733.09 and 50,879.52 is: 76,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,767.40 : 194,733.09 = 50,879.52 : x
  2. Step 2: Convert to fraction form
    129,767.40/194,733.09 = 50,879.52/x
  3. Step 3: Cross multiply
    129,767.40x = 194,733.09 × 50,879.52
  4. Step 4: Simplify right side
    129,767.40x = 9,907,926,147.32
  5. Step 5: Solve for x
    x = 9,907,926,147.32/129,767.40
  6. Step 6: Final answer
    x = 76,351.43

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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.