Home / 199,822.24-299,744.88-75,164.32

Finding the Fourth Proportional to 199,822.24, 299,744.88 and 75,164.32

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Solution

The fourth proportional to 199,822.24, 299,744.88 and 75,164.32 is: 112,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,822.24 : 299,744.88 = 75,164.32 : x
  2. Step 2: Convert to fraction form
    199,822.24/299,744.88 = 75,164.32/x
  3. Step 3: Cross multiply
    199,822.24x = 299,744.88 × 75,164.32
  4. Step 4: Simplify right side
    199,822.24x = 22,530,120,078.68
  5. Step 5: Solve for x
    x = 22,530,120,078.68/199,822.24
  6. Step 6: Final answer
    x = 112,750.81

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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.