Home / 128,091.98-192,137.57-34,597.73

Finding the Fourth Proportional to 128,091.98, 192,137.57 and 34,597.73

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Solution

The fourth proportional to 128,091.98, 192,137.57 and 34,597.73 is: 51,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,091.98 : 192,137.57 = 34,597.73 : x
  2. Step 2: Convert to fraction form
    128,091.98/192,137.57 = 34,597.73/x
  3. Step 3: Cross multiply
    128,091.98x = 192,137.57 × 34,597.73
  4. Step 4: Simplify right side
    128,091.98x = 6,647,524,206.81
  5. Step 5: Solve for x
    x = 6,647,524,206.81/128,091.98
  6. Step 6: Final answer
    x = 51,896.49

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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.