Home / 190,843.92-263,422.72-119,178.32

Finding the Fourth Proportional to 190,843.92, 263,422.72 and 119,178.32

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Solution

The fourth proportional to 190,843.92, 263,422.72 and 119,178.32 is: 164,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,843.92 : 263,422.72 = 119,178.32 : x
  2. Step 2: Convert to fraction form
    190,843.92/263,422.72 = 119,178.32/x
  3. Step 3: Cross multiply
    190,843.92x = 263,422.72 × 119,178.32
  4. Step 4: Simplify right side
    190,843.92x = 31,394,277,219.43
  5. Step 5: Solve for x
    x = 31,394,277,219.43/190,843.92
  6. Step 6: Final answer
    x = 164,502.37

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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.