Home / 190,633.92-263,074.89-105,750.96

Finding the Fourth Proportional to 190,633.92, 263,074.89 and 105,750.96

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Solution

The fourth proportional to 190,633.92, 263,074.89 and 105,750.96 is: 145,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,633.92 : 263,074.89 = 105,750.96 : x
  2. Step 2: Convert to fraction form
    190,633.92/263,074.89 = 105,750.96/x
  3. Step 3: Cross multiply
    190,633.92x = 263,074.89 × 105,750.96
  4. Step 4: Simplify right side
    190,633.92x = 27,820,422,169.39
  5. Step 5: Solve for x
    x = 27,820,422,169.39/190,633.92
  6. Step 6: Final answer
    x = 145,936.37

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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.