Home / 262,835.40-394,037.10-113,190.60

Finding the Fourth Proportional to 262,835.40, 394,037.10 and 113,190.60

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Solution

The fourth proportional to 262,835.40, 394,037.10 and 113,190.60 is: 169,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,835.40 : 394,037.10 = 113,190.60 : x
  2. Step 2: Convert to fraction form
    262,835.40/394,037.10 = 113,190.60/x
  3. Step 3: Cross multiply
    262,835.40x = 394,037.10 × 113,190.60
  4. Step 4: Simplify right side
    262,835.40x = 44,601,295,771.26
  5. Step 5: Solve for x
    x = 44,601,295,771.26/262,835.40
  6. Step 6: Final answer
    x = 169,692.88

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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.