Home / 190,862.54-263,411.36-109,198.38

Finding the Fourth Proportional to 190,862.54, 263,411.36 and 109,198.38

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Solution

The fourth proportional to 190,862.54, 263,411.36 and 109,198.38 is: 150,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,862.54 : 263,411.36 = 109,198.38 : x
  2. Step 2: Convert to fraction form
    190,862.54/263,411.36 = 109,198.38/x
  3. Step 3: Cross multiply
    190,862.54x = 263,411.36 × 109,198.38
  4. Step 4: Simplify right side
    190,862.54x = 28,764,093,785.60
  5. Step 5: Solve for x
    x = 28,764,093,785.60/190,862.54
  6. Step 6: Final answer
    x = 150,705.81

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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.