Home / 188,194.30-259,708.38-102,153.23

Finding the Fourth Proportional to 188,194.30, 259,708.38 and 102,153.23

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Solution

The fourth proportional to 188,194.30, 259,708.38 and 102,153.23 is: 140,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,194.30 : 259,708.38 = 102,153.23 : x
  2. Step 2: Convert to fraction form
    188,194.30/259,708.38 = 102,153.23/x
  3. Step 3: Cross multiply
    188,194.30x = 259,708.38 × 102,153.23
  4. Step 4: Simplify right side
    188,194.30x = 26,530,049,083.37
  5. Step 5: Solve for x
    x = 26,530,049,083.37/188,194.30
  6. Step 6: Final answer
    x = 140,971.59

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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.