Home / 161,556.32-242,383.94-82,726.36

Finding the Fourth Proportional to 161,556.32, 242,383.94 and 82,726.36

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Solution

The fourth proportional to 161,556.32, 242,383.94 and 82,726.36 is: 124,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,556.32 : 242,383.94 = 82,726.36 : x
  2. Step 2: Convert to fraction form
    161,556.32/242,383.94 = 82,726.36/x
  3. Step 3: Cross multiply
    161,556.32x = 242,383.94 × 82,726.36
  4. Step 4: Simplify right side
    161,556.32x = 20,051,541,078.66
  5. Step 5: Solve for x
    x = 20,051,541,078.66/161,556.32
  6. Step 6: Final answer
    x = 124,114.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.