Home / 319,179.25-440,470.38-175,944.43

Finding the Fourth Proportional to 319,179.25, 440,470.38 and 175,944.43

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Solution

The fourth proportional to 319,179.25, 440,470.38 and 175,944.43 is: 242,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,179.25 : 440,470.38 = 175,944.43 : x
  2. Step 2: Convert to fraction form
    319,179.25/440,470.38 = 175,944.43/x
  3. Step 3: Cross multiply
    319,179.25x = 440,470.38 × 175,944.43
  4. Step 4: Simplify right side
    319,179.25x = 77,498,309,940.98
  5. Step 5: Solve for x
    x = 77,498,309,940.98/319,179.25
  6. Step 6: Final answer
    x = 242,804.98

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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.