Home / 222,124.56-306,213.05-158,351.64

Finding the Fourth Proportional to 222,124.56, 306,213.05 and 158,351.64

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Solution

The fourth proportional to 222,124.56, 306,213.05 and 158,351.64 is: 218,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,124.56 : 306,213.05 = 158,351.64 : x
  2. Step 2: Convert to fraction form
    222,124.56/306,213.05 = 158,351.64/x
  3. Step 3: Cross multiply
    222,124.56x = 306,213.05 × 158,351.64
  4. Step 4: Simplify right side
    222,124.56x = 48,489,337,865.14
  5. Step 5: Solve for x
    x = 48,489,337,865.14/222,124.56
  6. Step 6: Final answer
    x = 218,297.96

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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.