Home / 135,018.20-202,532.16-50,770.64

Finding the Fourth Proportional to 135,018.20, 202,532.16 and 50,770.64

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Solution

The fourth proportional to 135,018.20, 202,532.16 and 50,770.64 is: 76,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,018.20 : 202,532.16 = 50,770.64 : x
  2. Step 2: Convert to fraction form
    135,018.20/202,532.16 = 50,770.64/x
  3. Step 3: Cross multiply
    135,018.20x = 202,532.16 × 50,770.64
  4. Step 4: Simplify right side
    135,018.20x = 10,282,687,383.78
  5. Step 5: Solve for x
    x = 10,282,687,383.78/135,018.20
  6. Step 6: Final answer
    x = 76,157.79

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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.