Home / 190,695.92-263,167.40-115,229.84

Finding the Fourth Proportional to 190,695.92, 263,167.40 and 115,229.84

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Solution

The fourth proportional to 190,695.92, 263,167.40 and 115,229.84 is: 159,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,695.92 : 263,167.40 = 115,229.84 : x
  2. Step 2: Convert to fraction form
    190,695.92/263,167.40 = 115,229.84/x
  3. Step 3: Cross multiply
    190,695.92x = 263,167.40 × 115,229.84
  4. Step 4: Simplify right side
    190,695.92x = 30,324,737,395.22
  5. Step 5: Solve for x
    x = 30,324,737,395.22/190,695.92
  6. Step 6: Final answer
    x = 159,021.43

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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.