Home / 217,578.37-326,496.96-117,736.56

Finding the Fourth Proportional to 217,578.37, 326,496.96 and 117,736.56

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Solution

The fourth proportional to 217,578.37, 326,496.96 and 117,736.56 is: 176,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,578.37 : 326,496.96 = 117,736.56 : x
  2. Step 2: Convert to fraction form
    217,578.37/326,496.96 = 117,736.56/x
  3. Step 3: Cross multiply
    217,578.37x = 326,496.96 × 117,736.56
  4. Step 4: Simplify right side
    217,578.37x = 38,440,628,920.86
  5. Step 5: Solve for x
    x = 38,440,628,920.86/217,578.37
  6. Step 6: Final answer
    x = 176,674.86

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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.