Home / 222,975.20-307,704.21-120,998.06

Finding the Fourth Proportional to 222,975.20, 307,704.21 and 120,998.06

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Solution

The fourth proportional to 222,975.20, 307,704.21 and 120,998.06 is: 166,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,975.20 : 307,704.21 = 120,998.06 : x
  2. Step 2: Convert to fraction form
    222,975.20/307,704.21 = 120,998.06/x
  3. Step 3: Cross multiply
    222,975.20x = 307,704.21 × 120,998.06
  4. Step 4: Simplify right side
    222,975.20x = 37,231,612,463.83
  5. Step 5: Solve for x
    x = 37,231,612,463.83/222,975.20
  6. Step 6: Final answer
    x = 166,976.47

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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.