Home / 111,557.32-167,157.56-100,227.28

Finding the Fourth Proportional to 111,557.32, 167,157.56 and 100,227.28

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Solution

The fourth proportional to 111,557.32, 167,157.56 and 100,227.28 is: 150,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,557.32 : 167,157.56 = 100,227.28 : x
  2. Step 2: Convert to fraction form
    111,557.32/167,157.56 = 100,227.28/x
  3. Step 3: Cross multiply
    111,557.32x = 167,157.56 × 100,227.28
  4. Step 4: Simplify right side
    111,557.32x = 16,753,747,570.24
  5. Step 5: Solve for x
    x = 16,753,747,570.24/111,557.32
  6. Step 6: Final answer
    x = 150,180.62

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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.