Home / 217,928.30-326,283.41-117,729.52

Finding the Fourth Proportional to 217,928.30, 326,283.41 and 117,729.52

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Solution

The fourth proportional to 217,928.30, 326,283.41 and 117,729.52 is: 176,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,928.30 : 326,283.41 = 117,729.52 : x
  2. Step 2: Convert to fraction form
    217,928.30/326,283.41 = 117,729.52/x
  3. Step 3: Cross multiply
    217,928.30x = 326,283.41 × 117,729.52
  4. Step 4: Simplify right side
    217,928.30x = 38,413,188,721.88
  5. Step 5: Solve for x
    x = 38,413,188,721.88/217,928.30
  6. Step 6: Final answer
    x = 176,265.27

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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.