Home / 141,352.63-195,077.78-80,942.29

Finding the Fourth Proportional to 141,352.63, 195,077.78 and 80,942.29

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Solution

The fourth proportional to 141,352.63, 195,077.78 and 80,942.29 is: 111,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,352.63 : 195,077.78 = 80,942.29 : x
  2. Step 2: Convert to fraction form
    141,352.63/195,077.78 = 80,942.29/x
  3. Step 3: Cross multiply
    141,352.63x = 195,077.78 × 80,942.29
  4. Step 4: Simplify right side
    141,352.63x = 15,790,042,241.32
  5. Step 5: Solve for x
    x = 15,790,042,241.32/141,352.63
  6. Step 6: Final answer
    x = 111,706.75

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1.5x scale

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.