Home / 135,271.20-202,906.80-134,493.60

Finding the Fourth Proportional to 135,271.20, 202,906.80 and 134,493.60

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Solution

The fourth proportional to 135,271.20, 202,906.80 and 134,493.60 is: 201,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,271.20 : 202,906.80 = 134,493.60 : x
  2. Step 2: Convert to fraction form
    135,271.20/202,906.80 = 134,493.60/x
  3. Step 3: Cross multiply
    135,271.20x = 202,906.80 × 134,493.60
  4. Step 4: Simplify right side
    135,271.20x = 27,289,665,996.48
  5. Step 5: Solve for x
    x = 27,289,665,996.48/135,271.20
  6. Step 6: Final answer
    x = 201,740.40

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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.