Home / 231,436.12-347,064.42-79,604.33

Finding the Fourth Proportional to 231,436.12, 347,064.42 and 79,604.33

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Solution

The fourth proportional to 231,436.12, 347,064.42 and 79,604.33 is: 119,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,436.12 : 347,064.42 = 79,604.33 : x
  2. Step 2: Convert to fraction form
    231,436.12/347,064.42 = 79,604.33/x
  3. Step 3: Cross multiply
    231,436.12x = 347,064.42 × 79,604.33
  4. Step 4: Simplify right side
    231,436.12x = 27,627,828,885.62
  5. Step 5: Solve for x
    x = 27,627,828,885.62/231,436.12
  6. Step 6: Final answer
    x = 119,375.62

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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.