Home / 111,620.22-154,076.34-73,906.62

Finding the Fourth Proportional to 111,620.22, 154,076.34 and 73,906.62

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Solution

The fourth proportional to 111,620.22, 154,076.34 and 73,906.62 is: 102,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,620.22 : 154,076.34 = 73,906.62 : x
  2. Step 2: Convert to fraction form
    111,620.22/154,076.34 = 73,906.62/x
  3. Step 3: Cross multiply
    111,620.22x = 154,076.34 × 73,906.62
  4. Step 4: Simplify right side
    111,620.22x = 11,387,261,511.37
  5. Step 5: Solve for x
    x = 11,387,261,511.37/111,620.22
  6. Step 6: Final answer
    x = 102,017.91

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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.