Home / 172,662.09-238,310.44-116,040.66

Finding the Fourth Proportional to 172,662.09, 238,310.44 and 116,040.66

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Solution

The fourth proportional to 172,662.09, 238,310.44 and 116,040.66 is: 160,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,662.09 : 238,310.44 = 116,040.66 : x
  2. Step 2: Convert to fraction form
    172,662.09/238,310.44 = 116,040.66/x
  3. Step 3: Cross multiply
    172,662.09x = 238,310.44 × 116,040.66
  4. Step 4: Simplify right side
    172,662.09x = 27,653,700,742.49
  5. Step 5: Solve for x
    x = 27,653,700,742.49/172,662.09
  6. Step 6: Final answer
    x = 160,160.81

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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.