Home / 129,786.66-194,678.82-41,040.27

Finding the Fourth Proportional to 129,786.66, 194,678.82 and 41,040.27

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Solution

The fourth proportional to 129,786.66, 194,678.82 and 41,040.27 is: 61,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,786.66 : 194,678.82 = 41,040.27 : x
  2. Step 2: Convert to fraction form
    129,786.66/194,678.82 = 41,040.27/x
  3. Step 3: Cross multiply
    129,786.66x = 194,678.82 × 41,040.27
  4. Step 4: Simplify right side
    129,786.66x = 7,989,671,336.08
  5. Step 5: Solve for x
    x = 7,989,671,336.08/129,786.66
  6. Step 6: Final answer
    x = 61,560.04

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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.