Home / 193,194.24-289,735.20-74,839.20

Finding the Fourth Proportional to 193,194.24, 289,735.20 and 74,839.20

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Solution

The fourth proportional to 193,194.24, 289,735.20 and 74,839.20 is: 112,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,194.24 : 289,735.20 = 74,839.20 : x
  2. Step 2: Convert to fraction form
    193,194.24/289,735.20 = 74,839.20/x
  3. Step 3: Cross multiply
    193,194.24x = 289,735.20 × 74,839.20
  4. Step 4: Simplify right side
    193,194.24x = 21,683,550,579.84
  5. Step 5: Solve for x
    x = 21,683,550,579.84/193,194.24
  6. Step 6: Final answer
    x = 112,237.04

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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.