Home / 193,396.20-290,107.86-80,962.93

Finding the Fourth Proportional to 193,396.20, 290,107.86 and 80,962.93

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Solution

The fourth proportional to 193,396.20, 290,107.86 and 80,962.93 is: 121,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,396.20 : 290,107.86 = 80,962.93 : x
  2. Step 2: Convert to fraction form
    193,396.20/290,107.86 = 80,962.93/x
  3. Step 3: Cross multiply
    193,396.20x = 290,107.86 × 80,962.93
  4. Step 4: Simplify right side
    193,396.20x = 23,487,982,361.63
  5. Step 5: Solve for x
    x = 23,487,982,361.63/193,396.20
  6. Step 6: Final answer
    x = 121,450.07

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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.