Home / 129,514.78-194,382.89-50,684.37

Finding the Fourth Proportional to 129,514.78, 194,382.89 and 50,684.37

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Solution

The fourth proportional to 129,514.78, 194,382.89 and 50,684.37 is: 76,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,514.78 : 194,382.89 = 50,684.37 : x
  2. Step 2: Convert to fraction form
    129,514.78/194,382.89 = 50,684.37/x
  3. Step 3: Cross multiply
    129,514.78x = 194,382.89 × 50,684.37
  4. Step 4: Simplify right side
    129,514.78x = 9,852,173,526.14
  5. Step 5: Solve for x
    x = 9,852,173,526.14/129,514.78
  6. Step 6: Final answer
    x = 76,069.88

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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.