Home / 129,792.24-194,609.52-50,811.84

Finding the Fourth Proportional to 129,792.24, 194,609.52 and 50,811.84

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Solution

The fourth proportional to 129,792.24, 194,609.52 and 50,811.84 is: 76,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,792.24 : 194,609.52 = 50,811.84 : x
  2. Step 2: Convert to fraction form
    129,792.24/194,609.52 = 50,811.84/x
  3. Step 3: Cross multiply
    129,792.24x = 194,609.52 × 50,811.84
  4. Step 4: Simplify right side
    129,792.24x = 9,888,467,792.72
  5. Step 5: Solve for x
    x = 9,888,467,792.72/129,792.24
  6. Step 6: Final answer
    x = 76,186.90

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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.