Home / 126,963.68-190,396.16-67,767.04

Finding the Fourth Proportional to 126,963.68, 190,396.16 and 67,767.04

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Solution

The fourth proportional to 126,963.68, 190,396.16 and 67,767.04 is: 101,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,963.68 : 190,396.16 = 67,767.04 : x
  2. Step 2: Convert to fraction form
    126,963.68/190,396.16 = 67,767.04/x
  3. Step 3: Cross multiply
    126,963.68x = 190,396.16 × 67,767.04
  4. Step 4: Simplify right side
    126,963.68x = 12,902,584,190.57
  5. Step 5: Solve for x
    x = 12,902,584,190.57/126,963.68
  6. Step 6: Final answer
    x = 101,624.21

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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.