Home / 135,321.40-203,010.90-41,836.60

Finding the Fourth Proportional to 135,321.40, 203,010.90 and 41,836.60

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Solution

The fourth proportional to 135,321.40, 203,010.90 and 41,836.60 is: 62,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,321.40 : 203,010.90 = 41,836.60 : x
  2. Step 2: Convert to fraction form
    135,321.40/203,010.90 = 41,836.60/x
  3. Step 3: Cross multiply
    135,321.40x = 203,010.90 × 41,836.60
  4. Step 4: Simplify right side
    135,321.40x = 8,493,285,818.94
  5. Step 5: Solve for x
    x = 8,493,285,818.94/135,321.40
  6. Step 6: Final answer
    x = 62,763.80

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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.