Home / 111,634.20-167,155.11-67,199.94

Finding the Fourth Proportional to 111,634.20, 167,155.11 and 67,199.94

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Solution

The fourth proportional to 111,634.20, 167,155.11 and 67,199.94 is: 100,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,634.20 : 167,155.11 = 67,199.94 : x
  2. Step 2: Convert to fraction form
    111,634.20/167,155.11 = 67,199.94/x
  3. Step 3: Cross multiply
    111,634.20x = 167,155.11 × 67,199.94
  4. Step 4: Simplify right side
    111,634.20x = 11,232,813,362.69
  5. Step 5: Solve for x
    x = 11,232,813,362.69/111,634.20
  6. Step 6: Final answer
    x = 100,621.61

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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.