Home / 135,977.44-187,650.48-82,268.32

Finding the Fourth Proportional to 135,977.44, 187,650.48 and 82,268.32

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Solution

The fourth proportional to 135,977.44, 187,650.48 and 82,268.32 is: 113,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,977.44 : 187,650.48 = 82,268.32 : x
  2. Step 2: Convert to fraction form
    135,977.44/187,650.48 = 82,268.32/x
  3. Step 3: Cross multiply
    135,977.44x = 187,650.48 × 82,268.32
  4. Step 4: Simplify right side
    135,977.44x = 15,437,689,736.79
  5. Step 5: Solve for x
    x = 15,437,689,736.79/135,977.44
  6. Step 6: Final answer
    x = 113,531.26

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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.