Home / 236,716.56-326,667.10-129,286.64

Finding the Fourth Proportional to 236,716.56, 326,667.10 and 129,286.64

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Solution

The fourth proportional to 236,716.56, 326,667.10 and 129,286.64 is: 178,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,716.56 : 326,667.10 = 129,286.64 : x
  2. Step 2: Convert to fraction form
    236,716.56/326,667.10 = 129,286.64/x
  3. Step 3: Cross multiply
    236,716.56x = 326,667.10 × 129,286.64
  4. Step 4: Simplify right side
    236,716.56x = 42,233,691,757.54
  5. Step 5: Solve for x
    x = 42,233,691,757.54/236,716.56
  6. Step 6: Final answer
    x = 178,414.61

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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.