Home / 166,538.03-229,825.83-91,091.39

Finding the Fourth Proportional to 166,538.03, 229,825.83 and 91,091.39

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Solution

The fourth proportional to 166,538.03, 229,825.83 and 91,091.39 is: 125,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,538.03 : 229,825.83 = 91,091.39 : x
  2. Step 2: Convert to fraction form
    166,538.03/229,825.83 = 91,091.39/x
  3. Step 3: Cross multiply
    166,538.03x = 229,825.83 × 91,091.39
  4. Step 4: Simplify right side
    166,538.03x = 20,935,153,163.47
  5. Step 5: Solve for x
    x = 20,935,153,163.47/166,538.03
  6. Step 6: Final answer
    x = 125,707.95

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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.