Home / 190,593.69-263,050.79-105,738.09

Finding the Fourth Proportional to 190,593.69, 263,050.79 and 105,738.09

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Solution

The fourth proportional to 190,593.69, 263,050.79 and 105,738.09 is: 145,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,593.69 : 263,050.79 = 105,738.09 : x
  2. Step 2: Convert to fraction form
    190,593.69/263,050.79 = 105,738.09/x
  3. Step 3: Cross multiply
    190,593.69x = 263,050.79 × 105,738.09
  4. Step 4: Simplify right side
    190,593.69x = 27,814,487,578.90
  5. Step 5: Solve for x
    x = 27,814,487,578.90/190,593.69
  6. Step 6: Final answer
    x = 145,936.04

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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.