Home / 414,116.20-621,188.19-114,571.72

Finding the Fourth Proportional to 414,116.20, 621,188.19 and 114,571.72

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Solution

The fourth proportional to 414,116.20, 621,188.19 and 114,571.72 is: 171,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,116.20 : 621,188.19 = 114,571.72 : x
  2. Step 2: Convert to fraction form
    414,116.20/621,188.19 = 114,571.72/x
  3. Step 3: Cross multiply
    414,116.20x = 621,188.19 × 114,571.72
  4. Step 4: Simplify right side
    414,116.20x = 71,170,596,654.29
  5. Step 5: Solve for x
    x = 71,170,596,654.29/414,116.20
  6. Step 6: Final answer
    x = 171,861.42

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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.