Home / 217,667.59-326,627.43-91,296.58

Finding the Fourth Proportional to 217,667.59, 326,627.43 and 91,296.58

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Solution

The fourth proportional to 217,667.59, 326,627.43 and 91,296.58 is: 136,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,667.59 : 326,627.43 = 91,296.58 : x
  2. Step 2: Convert to fraction form
    217,667.59/326,627.43 = 91,296.58/x
  3. Step 3: Cross multiply
    217,667.59x = 326,627.43 × 91,296.58
  4. Step 4: Simplify right side
    217,667.59x = 29,819,965,660.05
  5. Step 5: Solve for x
    x = 29,819,965,660.05/217,667.59
  6. Step 6: Final answer
    x = 136,997.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.