Home / 112,242.31-167,371.11-111,241.76

Finding the Fourth Proportional to 112,242.31, 167,371.11 and 111,241.76

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Solution

The fourth proportional to 112,242.31, 167,371.11 and 111,241.76 is: 165,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,242.31 : 167,371.11 = 111,241.76 : x
  2. Step 2: Convert to fraction form
    112,242.31/167,371.11 = 111,241.76/x
  3. Step 3: Cross multiply
    112,242.31x = 167,371.11 × 111,241.76
  4. Step 4: Simplify right side
    112,242.31x = 18,618,656,012.70
  5. Step 5: Solve for x
    x = 18,618,656,012.70/112,242.31
  6. Step 6: Final answer
    x = 165,879.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.