Home / 111,976.10-167,854.80-100,166.30

Finding the Fourth Proportional to 111,976.10, 167,854.80 and 100,166.30

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Solution

The fourth proportional to 111,976.10, 167,854.80 and 100,166.30 is: 150,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,976.10 : 167,854.80 = 100,166.30 : x
  2. Step 2: Convert to fraction form
    111,976.10/167,854.80 = 100,166.30/x
  3. Step 3: Cross multiply
    111,976.10x = 167,854.80 × 100,166.30
  4. Step 4: Simplify right side
    111,976.10x = 16,813,394,253.24
  5. Step 5: Solve for x
    x = 16,813,394,253.24/111,976.10
  6. Step 6: Final answer
    x = 150,151.63

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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.