Home / 130,454.78-195,679.09-41,709.05

Finding the Fourth Proportional to 130,454.78, 195,679.09 and 41,709.05

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Solution

The fourth proportional to 130,454.78, 195,679.09 and 41,709.05 is: 62,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,454.78 : 195,679.09 = 41,709.05 : x
  2. Step 2: Convert to fraction form
    130,454.78/195,679.09 = 41,709.05/x
  3. Step 3: Cross multiply
    130,454.78x = 195,679.09 × 41,709.05
  4. Step 4: Simplify right side
    130,454.78x = 8,161,589,306.65
  5. Step 5: Solve for x
    x = 8,161,589,306.65/130,454.78
  6. Step 6: Final answer
    x = 62,562.59

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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.