Home / 111,437.28-167,153.76-27,198

Finding the Fourth Proportional to 111,437.28, 167,153.76 and 27,198

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Solution

The fourth proportional to 111,437.28, 167,153.76 and 27,198 is: 40,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,437.28 : 167,153.76 = 27,198 : x
  2. Step 2: Convert to fraction form
    111,437.28/167,153.76 = 27,198/x
  3. Step 3: Cross multiply
    111,437.28x = 167,153.76 × 27,198
  4. Step 4: Simplify right side
    111,437.28x = 4,546,247,964.48
  5. Step 5: Solve for x
    x = 4,546,247,964.48/111,437.28
  6. Step 6: Final answer
    x = 40,796.47

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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.