Home / 111,334.36-166,982.92-40,243.53

Finding the Fourth Proportional to 111,334.36, 166,982.92 and 40,243.53

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Solution

The fourth proportional to 111,334.36, 166,982.92 and 40,243.53 is: 60,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,334.36 : 166,982.92 = 40,243.53 : x
  2. Step 2: Convert to fraction form
    111,334.36/166,982.92 = 40,243.53/x
  3. Step 3: Cross multiply
    111,334.36x = 166,982.92 × 40,243.53
  4. Step 4: Simplify right side
    111,334.36x = 6,719,982,676.08
  5. Step 5: Solve for x
    x = 6,719,982,676.08/111,334.36
  6. Step 6: Final answer
    x = 60,358.57

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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.