Home / 190,610.57-263,074.14-105,754.97

Finding the Fourth Proportional to 190,610.57, 263,074.14 and 105,754.97

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Solution

The fourth proportional to 190,610.57, 263,074.14 and 105,754.97 is: 145,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,610.57 : 263,074.14 = 105,754.97 : x
  2. Step 2: Convert to fraction form
    190,610.57/263,074.14 = 105,754.97/x
  3. Step 3: Cross multiply
    190,610.57x = 263,074.14 × 105,754.97
  4. Step 4: Simplify right side
    190,610.57x = 27,821,396,468.11
  5. Step 5: Solve for x
    x = 27,821,396,468.11/190,610.57
  6. Step 6: Final answer
    x = 145,959.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.