Home / 190,311.05-262,657.22-109,722.80

Finding the Fourth Proportional to 190,311.05, 262,657.22 and 109,722.80

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Solution

The fourth proportional to 190,311.05, 262,657.22 and 109,722.80 is: 151,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,311.05 : 262,657.22 = 109,722.80 : x
  2. Step 2: Convert to fraction form
    190,311.05/262,657.22 = 109,722.80/x
  3. Step 3: Cross multiply
    190,311.05x = 262,657.22 × 109,722.80
  4. Step 4: Simplify right side
    190,311.05x = 28,819,485,726.65
  5. Step 5: Solve for x
    x = 28,819,485,726.65/190,311.05
  6. Step 6: Final answer
    x = 151,433.59

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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.