Home / 190,786.57-263,232.12-119,239.27

Finding the Fourth Proportional to 190,786.57, 263,232.12 and 119,239.27

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Solution

The fourth proportional to 190,786.57, 263,232.12 and 119,239.27 is: 164,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,786.57 : 263,232.12 = 119,239.27 : x
  2. Step 2: Convert to fraction form
    190,786.57/263,232.12 = 119,239.27/x
  3. Step 3: Cross multiply
    190,786.57x = 263,232.12 × 119,239.27
  4. Step 4: Simplify right side
    190,786.57x = 31,387,605,829.35
  5. Step 5: Solve for x
    x = 31,387,605,829.35/190,786.57
  6. Step 6: Final answer
    x = 164,516.85

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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.