Home / 414,550.80-621,826.20-134,096.40

Finding the Fourth Proportional to 414,550.80, 621,826.20 and 134,096.40

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Solution

The fourth proportional to 414,550.80, 621,826.20 and 134,096.40 is: 201,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,550.80 : 621,826.20 = 134,096.40 : x
  2. Step 2: Convert to fraction form
    414,550.80/621,826.20 = 134,096.40/x
  3. Step 3: Cross multiply
    414,550.80x = 621,826.20 × 134,096.40
  4. Step 4: Simplify right side
    414,550.80x = 83,384,654,845.68
  5. Step 5: Solve for x
    x = 83,384,654,845.68/414,550.80
  6. Step 6: Final answer
    x = 201,144.60

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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.