Home / 111,438.28-167,155.26-27,199

Finding the Fourth Proportional to 111,438.28, 167,155.26 and 27,199

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Solution

The fourth proportional to 111,438.28, 167,155.26 and 27,199 is: 40,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,438.28 : 167,155.26 = 27,199 : x
  2. Step 2: Convert to fraction form
    111,438.28/167,155.26 = 27,199/x
  3. Step 3: Cross multiply
    111,438.28x = 167,155.26 × 27,199
  4. Step 4: Simplify right side
    111,438.28x = 4,546,455,916.74
  5. Step 5: Solve for x
    x = 4,546,455,916.74/111,438.28
  6. Step 6: Final answer
    x = 40,797.97

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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.