Home / 135,743.20-204,052.20-96,571.60

Finding the Fourth Proportional to 135,743.20, 204,052.20 and 96,571.60

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Solution

The fourth proportional to 135,743.20, 204,052.20 and 96,571.60 is: 145,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,743.20 : 204,052.20 = 96,571.60 : x
  2. Step 2: Convert to fraction form
    135,743.20/204,052.20 = 96,571.60/x
  3. Step 3: Cross multiply
    135,743.20x = 204,052.20 × 96,571.60
  4. Step 4: Simplify right side
    135,743.20x = 19,705,647,437.52
  5. Step 5: Solve for x
    x = 19,705,647,437.52/135,743.20
  6. Step 6: Final answer
    x = 145,168.58

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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.