Home / 129,786.18-194,698.44-41,019.54

Finding the Fourth Proportional to 129,786.18, 194,698.44 and 41,019.54

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Solution

The fourth proportional to 129,786.18, 194,698.44 and 41,019.54 is: 61,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,786.18 : 194,698.44 = 41,019.54 : x
  2. Step 2: Convert to fraction form
    129,786.18/194,698.44 = 41,019.54/x
  3. Step 3: Cross multiply
    129,786.18x = 194,698.44 × 41,019.54
  4. Step 4: Simplify right side
    129,786.18x = 7,986,440,447.52
  5. Step 5: Solve for x
    x = 7,986,440,447.52/129,786.18
  6. Step 6: Final answer
    x = 61,535.37

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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.