Home / 193,512.14-290,286.53-75,192.60

Finding the Fourth Proportional to 193,512.14, 290,286.53 and 75,192.60

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Solution

The fourth proportional to 193,512.14, 290,286.53 and 75,192.60 is: 112,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,512.14 : 290,286.53 = 75,192.60 : x
  2. Step 2: Convert to fraction form
    193,512.14/290,286.53 = 75,192.60/x
  3. Step 3: Cross multiply
    193,512.14x = 290,286.53 × 75,192.60
  4. Step 4: Simplify right side
    193,512.14x = 21,827,398,559.72
  5. Step 5: Solve for x
    x = 21,827,398,559.72/193,512.14
  6. Step 6: Final answer
    x = 112,796.02

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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.