Home / 146,447.75-202,098.03-79,379.75

Finding the Fourth Proportional to 146,447.75, 202,098.03 and 79,379.75

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Solution

The fourth proportional to 146,447.75, 202,098.03 and 79,379.75 is: 109,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,447.75 : 202,098.03 = 79,379.75 : x
  2. Step 2: Convert to fraction form
    146,447.75/202,098.03 = 79,379.75/x
  3. Step 3: Cross multiply
    146,447.75x = 202,098.03 × 79,379.75
  4. Step 4: Simplify right side
    146,447.75x = 16,042,491,096.89
  5. Step 5: Solve for x
    x = 16,042,491,096.89/146,447.75
  6. Step 6: Final answer
    x = 109,544.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.