Home / 222,735.42-307,376.99-120,760.61

Finding the Fourth Proportional to 222,735.42, 307,376.99 and 120,760.61

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Solution

The fourth proportional to 222,735.42, 307,376.99 and 120,760.61 is: 166,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,735.42 : 307,376.99 = 120,760.61 : x
  2. Step 2: Convert to fraction form
    222,735.42/307,376.99 = 120,760.61/x
  3. Step 3: Cross multiply
    222,735.42x = 307,376.99 × 120,760.61
  4. Step 4: Simplify right side
    222,735.42x = 37,119,030,671.68
  5. Step 5: Solve for x
    x = 37,119,030,671.68/222,735.42
  6. Step 6: Final answer
    x = 166,650.78

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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.