Home / 193,517.28-290,201.34-75,173.04

Finding the Fourth Proportional to 193,517.28, 290,201.34 and 75,173.04

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Solution

The fourth proportional to 193,517.28, 290,201.34 and 75,173.04 is: 112,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,517.28 : 290,201.34 = 75,173.04 : x
  2. Step 2: Convert to fraction form
    193,517.28/290,201.34 = 75,173.04/x
  3. Step 3: Cross multiply
    193,517.28x = 290,201.34 × 75,173.04
  4. Step 4: Simplify right side
    193,517.28x = 21,815,316,939.87
  5. Step 5: Solve for x
    x = 21,815,316,939.87/193,517.28
  6. Step 6: Final answer
    x = 112,730.59

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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.