Home / 190,997.12-263,576-106,122.24

Finding the Fourth Proportional to 190,997.12, 263,576 and 106,122.24

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Solution

The fourth proportional to 190,997.12, 263,576 and 106,122.24 is: 146,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,997.12 : 263,576 = 106,122.24 : x
  2. Step 2: Convert to fraction form
    190,997.12/263,576 = 106,122.24/x
  3. Step 3: Cross multiply
    190,997.12x = 263,576 × 106,122.24
  4. Step 4: Simplify right side
    190,997.12x = 27,971,275,530.24
  5. Step 5: Solve for x
    x = 27,971,275,530.24/190,997.12
  6. Step 6: Final answer
    x = 146,448.68

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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.