Home / 141,352.38-195,077.43-80,942.04

Finding the Fourth Proportional to 141,352.38, 195,077.43 and 80,942.04

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Solution

The fourth proportional to 141,352.38, 195,077.43 and 80,942.04 is: 111,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,352.38 : 195,077.43 = 80,942.04 : x
  2. Step 2: Convert to fraction form
    141,352.38/195,077.43 = 80,942.04/x
  3. Step 3: Cross multiply
    141,352.38x = 195,077.43 × 80,942.04
  4. Step 4: Simplify right side
    141,352.38x = 15,789,965,142.16
  5. Step 5: Solve for x
    x = 15,789,965,142.16/141,352.38
  6. Step 6: Final answer
    x = 111,706.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.