Home / 177,761.43-266,716.26-77,993.33

Finding the Fourth Proportional to 177,761.43, 266,716.26 and 77,993.33

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Solution

The fourth proportional to 177,761.43, 266,716.26 and 77,993.33 is: 117,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,761.43 : 266,716.26 = 77,993.33 : x
  2. Step 2: Convert to fraction form
    177,761.43/266,716.26 = 77,993.33/x
  3. Step 3: Cross multiply
    177,761.43x = 266,716.26 × 77,993.33
  4. Step 4: Simplify right side
    177,761.43x = 20,802,087,948.96
  5. Step 5: Solve for x
    x = 20,802,087,948.96/177,761.43
  6. Step 6: Final answer
    x = 117,022.51

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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.