Home / 129,843.35-194,647.48-50,936.39

Finding the Fourth Proportional to 129,843.35, 194,647.48 and 50,936.39

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Solution

The fourth proportional to 129,843.35, 194,647.48 and 50,936.39 is: 76,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,843.35 : 194,647.48 = 50,936.39 : x
  2. Step 2: Convert to fraction form
    129,843.35/194,647.48 = 50,936.39/x
  3. Step 3: Cross multiply
    129,843.35x = 194,647.48 × 50,936.39
  4. Step 4: Simplify right side
    129,843.35x = 9,914,639,699.12
  5. Step 5: Solve for x
    x = 9,914,639,699.12/129,843.35
  6. Step 6: Final answer
    x = 76,358.47

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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.