Home / 193,198.24-289,741.20-74,843.20

Finding the Fourth Proportional to 193,198.24, 289,741.20 and 74,843.20

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Solution

The fourth proportional to 193,198.24, 289,741.20 and 74,843.20 is: 112,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,198.24 : 289,741.20 = 74,843.20 : x
  2. Step 2: Convert to fraction form
    193,198.24/289,741.20 = 74,843.20/x
  3. Step 3: Cross multiply
    193,198.24x = 289,741.20 × 74,843.20
  4. Step 4: Simplify right side
    193,198.24x = 21,685,158,579.84
  5. Step 5: Solve for x
    x = 21,685,158,579.84/193,198.24
  6. Step 6: Final answer
    x = 112,243.04

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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.