Home / 190,610.82-263,074.49-105,755.22

Finding the Fourth Proportional to 190,610.82, 263,074.49 and 105,755.22

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Solution

The fourth proportional to 190,610.82, 263,074.49 and 105,755.22 is: 145,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,610.82 : 263,074.49 = 105,755.22 : x
  2. Step 2: Convert to fraction form
    190,610.82/263,074.49 = 105,755.22/x
  3. Step 3: Cross multiply
    190,610.82x = 263,074.49 × 105,755.22
  4. Step 4: Simplify right side
    190,610.82x = 27,821,500,566.34
  5. Step 5: Solve for x
    x = 27,821,500,566.34/190,610.82
  6. Step 6: Final answer
    x = 145,959.71

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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.