Home / 141,379.75-195,104.46-80,951.32

Finding the Fourth Proportional to 141,379.75, 195,104.46 and 80,951.32

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Solution

The fourth proportional to 141,379.75, 195,104.46 and 80,951.32 is: 111,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379.75 : 195,104.46 = 80,951.32 : x
  2. Step 2: Convert to fraction form
    141,379.75/195,104.46 = 80,951.32/x
  3. Step 3: Cross multiply
    141,379.75x = 195,104.46 × 80,951.32
  4. Step 4: Simplify right side
    141,379.75x = 15,793,963,574.89
  5. Step 5: Solve for x
    x = 15,793,963,574.89/141,379.75
  6. Step 6: Final answer
    x = 111,713.05

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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.