Home / 202,195.20-303,098.40-157,191.60

Finding the Fourth Proportional to 202,195.20, 303,098.40 and 157,191.60

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Solution

The fourth proportional to 202,195.20, 303,098.40 and 157,191.60 is: 235,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,195.20 : 303,098.40 = 157,191.60 : x
  2. Step 2: Convert to fraction form
    202,195.20/303,098.40 = 157,191.60/x
  3. Step 3: Cross multiply
    202,195.20x = 303,098.40 × 157,191.60
  4. Step 4: Simplify right side
    202,195.20x = 47,644,522,453.44
  5. Step 5: Solve for x
    x = 47,644,522,453.44/202,195.20
  6. Step 6: Final answer
    x = 235,636.27

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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.