Home / 146,999.11-220,486.69-47,132.41

Finding the Fourth Proportional to 146,999.11, 220,486.69 and 47,132.41

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Solution

The fourth proportional to 146,999.11, 220,486.69 and 47,132.41 is: 70,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.11 : 220,486.69 = 47,132.41 : x
  2. Step 2: Convert to fraction form
    146,999.11/220,486.69 = 47,132.41/x
  3. Step 3: Cross multiply
    146,999.11x = 220,486.69 × 47,132.41
  4. Step 4: Simplify right side
    146,999.11x = 10,392,069,072.62
  5. Step 5: Solve for x
    x = 10,392,069,072.62/146,999.11
  6. Step 6: Final answer
    x = 70,694.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.