Home / 112,121.56-167,846.52-108,133.90

Finding the Fourth Proportional to 112,121.56, 167,846.52 and 108,133.90

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Solution

The fourth proportional to 112,121.56, 167,846.52 and 108,133.90 is: 161,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,121.56 : 167,846.52 = 108,133.90 : x
  2. Step 2: Convert to fraction form
    112,121.56/167,846.52 = 108,133.90/x
  3. Step 3: Cross multiply
    112,121.56x = 167,846.52 × 108,133.90
  4. Step 4: Simplify right side
    112,121.56x = 18,149,898,809.03
  5. Step 5: Solve for x
    x = 18,149,898,809.03/112,121.56
  6. Step 6: Final answer
    x = 161,876.97

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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.