Home / 305,976.90-422,127.18-176,891.62

Finding the Fourth Proportional to 305,976.90, 422,127.18 and 176,891.62

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Solution

The fourth proportional to 305,976.90, 422,127.18 and 176,891.62 is: 244,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,976.90 : 422,127.18 = 176,891.62 : x
  2. Step 2: Convert to fraction form
    305,976.90/422,127.18 = 176,891.62/x
  3. Step 3: Cross multiply
    305,976.90x = 422,127.18 × 176,891.62
  4. Step 4: Simplify right side
    305,976.90x = 74,670,760,716.23
  5. Step 5: Solve for x
    x = 74,670,760,716.23/305,976.90
  6. Step 6: Final answer
    x = 244,040.52

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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.