Home / 129,609.15-194,429.26-122,523.27

Finding the Fourth Proportional to 129,609.15, 194,429.26 and 122,523.27

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Solution

The fourth proportional to 129,609.15, 194,429.26 and 122,523.27 is: 183,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,609.15 : 194,429.26 = 122,523.27 : x
  2. Step 2: Convert to fraction form
    129,609.15/194,429.26 = 122,523.27/x
  3. Step 3: Cross multiply
    129,609.15x = 194,429.26 × 122,523.27
  4. Step 4: Simplify right side
    129,609.15x = 23,822,108,142.92
  5. Step 5: Solve for x
    x = 23,822,108,142.92/129,609.15
  6. Step 6: Final answer
    x = 183,799.59

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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.