Home / 188,454.13-259,961.46-115,806.60

Finding the Fourth Proportional to 188,454.13, 259,961.46 and 115,806.60

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Solution

The fourth proportional to 188,454.13, 259,961.46 and 115,806.60 is: 159,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,454.13 : 259,961.46 = 115,806.60 : x
  2. Step 2: Convert to fraction form
    188,454.13/259,961.46 = 115,806.60/x
  3. Step 3: Cross multiply
    188,454.13x = 259,961.46 × 115,806.60
  4. Step 4: Simplify right side
    188,454.13x = 30,105,253,740.28
  5. Step 5: Solve for x
    x = 30,105,253,740.28/188,454.13
  6. Step 6: Final answer
    x = 159,748.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.