Home / 105,920.44-146,173.62-61,208.44

Finding the Fourth Proportional to 105,920.44, 146,173.62 and 61,208.44

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Solution

The fourth proportional to 105,920.44, 146,173.62 and 61,208.44 is: 84,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,920.44 : 146,173.62 = 61,208.44 : x
  2. Step 2: Convert to fraction form
    105,920.44/146,173.62 = 61,208.44/x
  3. Step 3: Cross multiply
    105,920.44x = 146,173.62 × 61,208.44
  4. Step 4: Simplify right side
    105,920.44x = 8,947,059,249.35
  5. Step 5: Solve for x
    x = 8,947,059,249.35/105,920.44
  6. Step 6: Final answer
    x = 84,469.62

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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.