Home / 202,236.20-303,419.10-135,751.40

Finding the Fourth Proportional to 202,236.20, 303,419.10 and 135,751.40

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Solution

The fourth proportional to 202,236.20, 303,419.10 and 135,751.40 is: 203,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,236.20 : 303,419.10 = 135,751.40 : x
  2. Step 2: Convert to fraction form
    202,236.20/303,419.10 = 135,751.40/x
  3. Step 3: Cross multiply
    202,236.20x = 303,419.10 × 135,751.40
  4. Step 4: Simplify right side
    202,236.20x = 41,189,567,611.74
  5. Step 5: Solve for x
    x = 41,189,567,611.74/202,236.20
  6. Step 6: Final answer
    x = 203,670.60

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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.