Home / 190,310.87-262,656.96-109,722.62

Finding the Fourth Proportional to 190,310.87, 262,656.96 and 109,722.62

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Solution

The fourth proportional to 190,310.87, 262,656.96 and 109,722.62 is: 151,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,310.87 : 262,656.96 = 109,722.62 : x
  2. Step 2: Convert to fraction form
    190,310.87/262,656.96 = 109,722.62/x
  3. Step 3: Cross multiply
    190,310.87x = 262,656.96 × 109,722.62
  4. Step 4: Simplify right side
    190,310.87x = 28,819,408,499.15
  5. Step 5: Solve for x
    x = 28,819,408,499.15/190,310.87
  6. Step 6: Final answer
    x = 151,433.33

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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.