Home / 133,829.20-200,743.80-54,902.80

Finding the Fourth Proportional to 133,829.20, 200,743.80 and 54,902.80

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Solution

The fourth proportional to 133,829.20, 200,743.80 and 54,902.80 is: 82,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,829.20 : 200,743.80 = 54,902.80 : x
  2. Step 2: Convert to fraction form
    133,829.20/200,743.80 = 54,902.80/x
  3. Step 3: Cross multiply
    133,829.20x = 200,743.80 × 54,902.80
  4. Step 4: Simplify right side
    133,829.20x = 11,021,396,702.64
  5. Step 5: Solve for x
    x = 11,021,396,702.64/133,829.20
  6. Step 6: Final answer
    x = 82,354.20

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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.