Home / 120,668.33-180,761.92-94,249.37

Finding the Fourth Proportional to 120,668.33, 180,761.92 and 94,249.37

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Solution

The fourth proportional to 120,668.33, 180,761.92 and 94,249.37 is: 141,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,668.33 : 180,761.92 = 94,249.37 : x
  2. Step 2: Convert to fraction form
    120,668.33/180,761.92 = 94,249.37/x
  3. Step 3: Cross multiply
    120,668.33x = 180,761.92 × 94,249.37
  4. Step 4: Simplify right side
    120,668.33x = 17,036,695,940.56
  5. Step 5: Solve for x
    x = 17,036,695,940.56/120,668.33
  6. Step 6: Final answer
    x = 141,186.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.