Home / 188,255.56-259,819.88-112,811.08

Finding the Fourth Proportional to 188,255.56, 259,819.88 and 112,811.08

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Solution

The fourth proportional to 188,255.56, 259,819.88 and 112,811.08 is: 155,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,255.56 : 259,819.88 = 112,811.08 : x
  2. Step 2: Convert to fraction form
    188,255.56/259,819.88 = 112,811.08/x
  3. Step 3: Cross multiply
    188,255.56x = 259,819.88 × 112,811.08
  4. Step 4: Simplify right side
    188,255.56x = 29,310,561,268.27
  5. Step 5: Solve for x
    x = 29,310,561,268.27/188,255.56
  6. Step 6: Final answer
    x = 155,695.59

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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.