Home / 222,372.28-306,873.34-120,397.73

Finding the Fourth Proportional to 222,372.28, 306,873.34 and 120,397.73

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Solution

The fourth proportional to 222,372.28, 306,873.34 and 120,397.73 is: 166,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,372.28 : 306,873.34 = 120,397.73 : x
  2. Step 2: Convert to fraction form
    222,372.28/306,873.34 = 120,397.73/x
  3. Step 3: Cross multiply
    222,372.28x = 306,873.34 × 120,397.73
  4. Step 4: Simplify right side
    222,372.28x = 36,946,851,698.16
  5. Step 5: Solve for x
    x = 36,946,851,698.16/222,372.28
  6. Step 6: Final answer
    x = 166,148.64

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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.