Home / 148,406.22-205,072.14-108,049.92

Finding the Fourth Proportional to 148,406.22, 205,072.14 and 108,049.92

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Solution

The fourth proportional to 148,406.22, 205,072.14 and 108,049.92 is: 149,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,406.22 : 205,072.14 = 108,049.92 : x
  2. Step 2: Convert to fraction form
    148,406.22/205,072.14 = 108,049.92/x
  3. Step 3: Cross multiply
    148,406.22x = 205,072.14 × 108,049.92
  4. Step 4: Simplify right side
    148,406.22x = 22,158,028,321.23
  5. Step 5: Solve for x
    x = 22,158,028,321.23/148,406.22
  6. Step 6: Final answer
    x = 149,306.60

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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.