Home / 414,515.77-621,882.31-130,194.83

Finding the Fourth Proportional to 414,515.77, 621,882.31 and 130,194.83

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Solution

The fourth proportional to 414,515.77, 621,882.31 and 130,194.83 is: 195,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,515.77 : 621,882.31 = 130,194.83 : x
  2. Step 2: Convert to fraction form
    414,515.77/621,882.31 = 130,194.83/x
  3. Step 3: Cross multiply
    414,515.77x = 621,882.31 × 130,194.83
  4. Step 4: Simplify right side
    414,515.77x = 80,965,861,630.46
  5. Step 5: Solve for x
    x = 80,965,861,630.46/414,515.77
  6. Step 6: Final answer
    x = 195,326.37

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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.