Home / 217,934.31-326,292.39-117,735.51

Finding the Fourth Proportional to 217,934.31, 326,292.39 and 117,735.51

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Solution

The fourth proportional to 217,934.31, 326,292.39 and 117,735.51 is: 176,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,934.31 : 326,292.39 = 117,735.51 : x
  2. Step 2: Convert to fraction form
    217,934.31/326,292.39 = 117,735.51/x
  3. Step 3: Cross multiply
    217,934.31x = 326,292.39 × 117,735.51
  4. Step 4: Simplify right side
    217,934.31x = 38,416,200,945.77
  5. Step 5: Solve for x
    x = 38,416,200,945.77/217,934.31
  6. Step 6: Final answer
    x = 176,274.22

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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.