Home / 172,943.36-238,625.52-104,996.12

Finding the Fourth Proportional to 172,943.36, 238,625.52 and 104,996.12

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Solution

The fourth proportional to 172,943.36, 238,625.52 and 104,996.12 is: 144,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,943.36 : 238,625.52 = 104,996.12 : x
  2. Step 2: Convert to fraction form
    172,943.36/238,625.52 = 104,996.12/x
  3. Step 3: Cross multiply
    172,943.36x = 238,625.52 × 104,996.12
  4. Step 4: Simplify right side
    172,943.36x = 25,054,753,732.98
  5. Step 5: Solve for x
    x = 25,054,753,732.98/172,943.36
  6. Step 6: Final answer
    x = 144,872.60

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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.