Home / 141,169.44-194,829.36-80,745.60

Finding the Fourth Proportional to 141,169.44, 194,829.36 and 80,745.60

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Solution

The fourth proportional to 141,169.44, 194,829.36 and 80,745.60 is: 111,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,169.44 : 194,829.36 = 80,745.60 : x
  2. Step 2: Convert to fraction form
    141,169.44/194,829.36 = 80,745.60/x
  3. Step 3: Cross multiply
    141,169.44x = 194,829.36 × 80,745.60
  4. Step 4: Simplify right side
    141,169.44x = 15,731,613,570.82
  5. Step 5: Solve for x
    x = 15,731,613,570.82/141,169.44
  6. Step 6: Final answer
    x = 111,437.81

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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.