Home / 316,754.25-437,120.94-173,519.38

Finding the Fourth Proportional to 316,754.25, 437,120.94 and 173,519.38

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Solution

The fourth proportional to 316,754.25, 437,120.94 and 173,519.38 is: 239,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,754.25 : 437,120.94 = 173,519.38 : x
  2. Step 2: Convert to fraction form
    316,754.25/437,120.94 = 173,519.38/x
  3. Step 3: Cross multiply
    316,754.25x = 437,120.94 × 173,519.38
  4. Step 4: Simplify right side
    316,754.25x = 75,848,954,714.87
  5. Step 5: Solve for x
    x = 75,848,954,714.87/316,754.25
  6. Step 6: Final answer
    x = 239,456.79

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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.