Home / 414,044.68-621,198.30-147,799.48

Finding the Fourth Proportional to 414,044.68, 621,198.30 and 147,799.48

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Solution

The fourth proportional to 414,044.68, 621,198.30 and 147,799.48 is: 221,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,044.68 : 621,198.30 = 147,799.48 : x
  2. Step 2: Convert to fraction form
    414,044.68/621,198.30 = 147,799.48/x
  3. Step 3: Cross multiply
    414,044.68x = 621,198.30 × 147,799.48
  4. Step 4: Simplify right side
    414,044.68x = 91,812,785,716.88
  5. Step 5: Solve for x
    x = 91,812,785,716.88/414,044.68
  6. Step 6: Final answer
    x = 221,746.08

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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.