Home / 250,087.44-345,120.69-136,910.19

Finding the Fourth Proportional to 250,087.44, 345,120.69 and 136,910.19

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Solution

The fourth proportional to 250,087.44, 345,120.69 and 136,910.19 is: 188,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,087.44 : 345,120.69 = 136,910.19 : x
  2. Step 2: Convert to fraction form
    250,087.44/345,120.69 = 136,910.19/x
  3. Step 3: Cross multiply
    250,087.44x = 345,120.69 × 136,910.19
  4. Step 4: Simplify right side
    250,087.44x = 47,250,538,556.28
  5. Step 5: Solve for x
    x = 47,250,538,556.28/250,087.44
  6. Step 6: Final answer
    x = 188,936.07

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1.5x scale

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.