Home / 190,315.20-262,662.94-109,726.96

Finding the Fourth Proportional to 190,315.20, 262,662.94 and 109,726.96

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Solution

The fourth proportional to 190,315.20, 262,662.94 and 109,726.96 is: 151,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,315.20 : 262,662.94 = 109,726.96 : x
  2. Step 2: Convert to fraction form
    190,315.20/262,662.94 = 109,726.96/x
  3. Step 3: Cross multiply
    190,315.20x = 262,662.94 × 109,726.96
  4. Step 4: Simplify right side
    190,315.20x = 28,821,205,910.86
  5. Step 5: Solve for x
    x = 28,821,205,910.86/190,315.20
  6. Step 6: Final answer
    x = 151,439.33

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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.