Home / 414,230.26-621,352.94-129,914.46

Finding the Fourth Proportional to 414,230.26, 621,352.94 and 129,914.46

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Solution

The fourth proportional to 414,230.26, 621,352.94 and 129,914.46 is: 194,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,230.26 : 621,352.94 = 129,914.46 : x
  2. Step 2: Convert to fraction form
    414,230.26/621,352.94 = 129,914.46/x
  3. Step 3: Cross multiply
    414,230.26x = 621,352.94 × 129,914.46
  4. Step 4: Simplify right side
    414,230.26x = 80,722,731,669.51
  5. Step 5: Solve for x
    x = 80,722,731,669.51/414,230.26
  6. Step 6: Final answer
    x = 194,874.06

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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.