Home / 140,092.75-193,328.04-89,791.75

Finding the Fourth Proportional to 140,092.75, 193,328.04 and 89,791.75

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Solution

The fourth proportional to 140,092.75, 193,328.04 and 89,791.75 is: 123,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092.75 : 193,328.04 = 89,791.75 : x
  2. Step 2: Convert to fraction form
    140,092.75/193,328.04 = 89,791.75/x
  3. Step 3: Cross multiply
    140,092.75x = 193,328.04 × 89,791.75
  4. Step 4: Simplify right side
    140,092.75x = 17,359,263,035.67
  5. Step 5: Solve for x
    x = 17,359,263,035.67/140,092.75
  6. Step 6: Final answer
    x = 123,912.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.