Home / 111,189.36-166,390.06-98,067.36

Finding the Fourth Proportional to 111,189.36, 166,390.06 and 98,067.36

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Solution

The fourth proportional to 111,189.36, 166,390.06 and 98,067.36 is: 146,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,189.36 : 166,390.06 = 98,067.36 : x
  2. Step 2: Convert to fraction form
    111,189.36/166,390.06 = 98,067.36/x
  3. Step 3: Cross multiply
    111,189.36x = 166,390.06 × 98,067.36
  4. Step 4: Simplify right side
    111,189.36x = 16,317,433,914.44
  5. Step 5: Solve for x
    x = 16,317,433,914.44/111,189.36
  6. Step 6: Final answer
    x = 146,753.56

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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.