Home / 133,405.20-200,496.60-131,072.40

Finding the Fourth Proportional to 133,405.20, 200,496.60 and 131,072.40

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Solution

The fourth proportional to 133,405.20, 200,496.60 and 131,072.40 is: 196,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,405.20 : 200,496.60 = 131,072.40 : x
  2. Step 2: Convert to fraction form
    133,405.20/200,496.60 = 131,072.40/x
  3. Step 3: Cross multiply
    133,405.20x = 200,496.60 × 131,072.40
  4. Step 4: Simplify right side
    133,405.20x = 26,279,570,553.84
  5. Step 5: Solve for x
    x = 26,279,570,553.84/133,405.20
  6. Step 6: Final answer
    x = 196,990.60

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1.5x scale

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.