Home / 141,322.31-195,015.61-80,893.43

Finding the Fourth Proportional to 141,322.31, 195,015.61 and 80,893.43

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Solution

The fourth proportional to 141,322.31, 195,015.61 and 80,893.43 is: 111,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,322.31 : 195,015.61 = 80,893.43 : x
  2. Step 2: Convert to fraction form
    141,322.31/195,015.61 = 80,893.43/x
  3. Step 3: Cross multiply
    141,322.31x = 195,015.61 × 80,893.43
  4. Step 4: Simplify right side
    141,322.31x = 15,775,481,596.44
  5. Step 5: Solve for x
    x = 15,775,481,596.44/141,322.31
  6. Step 6: Final answer
    x = 111,627.68

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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.