Home / 112,121.26-167,991.57-67,654.58

Finding the Fourth Proportional to 112,121.26, 167,991.57 and 67,654.58

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Solution

The fourth proportional to 112,121.26, 167,991.57 and 67,654.58 is: 101,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,121.26 : 167,991.57 = 67,654.58 : x
  2. Step 2: Convert to fraction form
    112,121.26/167,991.57 = 67,654.58/x
  3. Step 3: Cross multiply
    112,121.26x = 167,991.57 × 67,654.58
  4. Step 4: Simplify right side
    112,121.26x = 11,365,398,271.93
  5. Step 5: Solve for x
    x = 11,365,398,271.93/112,121.26
  6. Step 6: Final answer
    x = 101,367.02

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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.