Home / 148,067.07-222,002.19-81,538.53

Finding the Fourth Proportional to 148,067.07, 222,002.19 and 81,538.53

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Solution

The fourth proportional to 148,067.07, 222,002.19 and 81,538.53 is: 122,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,067.07 : 222,002.19 = 81,538.53 : x
  2. Step 2: Convert to fraction form
    148,067.07/222,002.19 = 81,538.53/x
  3. Step 3: Cross multiply
    148,067.07x = 222,002.19 × 81,538.53
  4. Step 4: Simplify right side
    148,067.07x = 18,101,732,229.38
  5. Step 5: Solve for x
    x = 18,101,732,229.38/148,067.07
  6. Step 6: Final answer
    x = 122,253.60

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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.