Home / 128,333.44-192,500.28-34,839.20

Finding the Fourth Proportional to 128,333.44, 192,500.28 and 34,839.20

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Solution

The fourth proportional to 128,333.44, 192,500.28 and 34,839.20 is: 52,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,333.44 : 192,500.28 = 34,839.20 : x
  2. Step 2: Convert to fraction form
    128,333.44/192,500.28 = 34,839.20/x
  3. Step 3: Cross multiply
    128,333.44x = 192,500.28 × 34,839.20
  4. Step 4: Simplify right side
    128,333.44x = 6,706,555,754.98
  5. Step 5: Solve for x
    x = 6,706,555,754.98/128,333.44
  6. Step 6: Final answer
    x = 52,258.83

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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.