Home / 159,544.41-220,178.37-91,564.26

Finding the Fourth Proportional to 159,544.41, 220,178.37 and 91,564.26

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Solution

The fourth proportional to 159,544.41, 220,178.37 and 91,564.26 is: 126,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,544.41 : 220,178.37 = 91,564.26 : x
  2. Step 2: Convert to fraction form
    159,544.41/220,178.37 = 91,564.26/x
  3. Step 3: Cross multiply
    159,544.41x = 220,178.37 × 91,564.26
  4. Step 4: Simplify right side
    159,544.41x = 20,160,469,517.06
  5. Step 5: Solve for x
    x = 20,160,469,517.06/159,544.41
  6. Step 6: Final answer
    x = 126,362.74

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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.