Home / 129,441.43-194,173.23-39,504.39

Finding the Fourth Proportional to 129,441.43, 194,173.23 and 39,504.39

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Solution

The fourth proportional to 129,441.43, 194,173.23 and 39,504.39 is: 59,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,441.43 : 194,173.23 = 39,504.39 : x
  2. Step 2: Convert to fraction form
    129,441.43/194,173.23 = 39,504.39/x
  3. Step 3: Cross multiply
    129,441.43x = 194,173.23 × 39,504.39
  4. Step 4: Simplify right side
    129,441.43x = 7,670,695,659.56
  5. Step 5: Solve for x
    x = 7,670,695,659.56/129,441.43
  6. Step 6: Final answer
    x = 59,259.97

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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.