Home / 172,664.40-238,313.61-116,042.97

Finding the Fourth Proportional to 172,664.40, 238,313.61 and 116,042.97

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Solution

The fourth proportional to 172,664.40, 238,313.61 and 116,042.97 is: 160,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,664.40 : 238,313.61 = 116,042.97 : x
  2. Step 2: Convert to fraction form
    172,664.40/238,313.61 = 116,042.97/x
  3. Step 3: Cross multiply
    172,664.40x = 238,313.61 × 116,042.97
  4. Step 4: Simplify right side
    172,664.40x = 27,654,619,095.82
  5. Step 5: Solve for x
    x = 27,654,619,095.82/172,664.40
  6. Step 6: Final answer
    x = 160,163.99

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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.