Home / 222,208.82-306,667.32-126,719.54

Finding the Fourth Proportional to 222,208.82, 306,667.32 and 126,719.54

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Solution

The fourth proportional to 222,208.82, 306,667.32 and 126,719.54 is: 174,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,208.82 : 306,667.32 = 126,719.54 : x
  2. Step 2: Convert to fraction form
    222,208.82/306,667.32 = 126,719.54/x
  3. Step 3: Cross multiply
    222,208.82x = 306,667.32 × 126,719.54
  4. Step 4: Simplify right side
    222,208.82x = 38,860,741,723.43
  5. Step 5: Solve for x
    x = 38,860,741,723.43/222,208.82
  6. Step 6: Final answer
    x = 174,883.89

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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.