Home / 236,083.82-325,786.19-128,651.56

Finding the Fourth Proportional to 236,083.82, 325,786.19 and 128,651.56

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Solution

The fourth proportional to 236,083.82, 325,786.19 and 128,651.56 is: 177,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,083.82 : 325,786.19 = 128,651.56 : x
  2. Step 2: Convert to fraction form
    236,083.82/325,786.19 = 128,651.56/x
  3. Step 3: Cross multiply
    236,083.82x = 325,786.19 × 128,651.56
  4. Step 4: Simplify right side
    236,083.82x = 41,912,900,112.23
  5. Step 5: Solve for x
    x = 41,912,900,112.23/236,083.82
  6. Step 6: Final answer
    x = 177,533.98

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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.