Home / 117,225.25-175,335.51-108,716.47

Finding the Fourth Proportional to 117,225.25, 175,335.51 and 108,716.47

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Solution

The fourth proportional to 117,225.25, 175,335.51 and 108,716.47 is: 162,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,225.25 : 175,335.51 = 108,716.47 : x
  2. Step 2: Convert to fraction form
    117,225.25/175,335.51 = 108,716.47/x
  3. Step 3: Cross multiply
    117,225.25x = 175,335.51 × 108,716.47
  4. Step 4: Simplify right side
    117,225.25x = 19,061,857,712.85
  5. Step 5: Solve for x
    x = 19,061,857,712.85/117,225.25
  6. Step 6: Final answer
    x = 162,608.80

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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.