Home / 286,556.32-395,418.27-179,138.17

Finding the Fourth Proportional to 286,556.32, 395,418.27 and 179,138.17

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Solution

The fourth proportional to 286,556.32, 395,418.27 and 179,138.17 is: 247,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,556.32 : 395,418.27 = 179,138.17 : x
  2. Step 2: Convert to fraction form
    286,556.32/395,418.27 = 179,138.17/x
  3. Step 3: Cross multiply
    286,556.32x = 395,418.27 × 179,138.17
  4. Step 4: Simplify right side
    286,556.32x = 70,834,505,272.37
  5. Step 5: Solve for x
    x = 70,834,505,272.37/286,556.32
  6. Step 6: Final answer
    x = 247,192.26

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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.