Home / 217,558.53-326,467.19-117,716.72

Finding the Fourth Proportional to 217,558.53, 326,467.19 and 117,716.72

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Solution

The fourth proportional to 217,558.53, 326,467.19 and 117,716.72 is: 176,645.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,558.53 : 326,467.19 = 117,716.72 : x
  2. Step 2: Convert to fraction form
    217,558.53/326,467.19 = 117,716.72/x
  3. Step 3: Cross multiply
    217,558.53x = 326,467.19 × 117,716.72
  4. Step 4: Simplify right side
    217,558.53x = 38,430,645,456.37
  5. Step 5: Solve for x
    x = 38,430,645,456.37/217,558.53
  6. Step 6: Final answer
    x = 176,645.09

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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.