Home / 414,211.79-621,448.18-147,966.41

Finding the Fourth Proportional to 414,211.79, 621,448.18 and 147,966.41

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Solution

The fourth proportional to 414,211.79, 621,448.18 and 147,966.41 is: 221,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,211.79 : 621,448.18 = 147,966.41 : x
  2. Step 2: Convert to fraction form
    414,211.79/621,448.18 = 147,966.41/x
  3. Step 3: Cross multiply
    414,211.79x = 621,448.18 × 147,966.41
  4. Step 4: Simplify right side
    414,211.79x = 91,953,456,195.63
  5. Step 5: Solve for x
    x = 91,953,456,195.63/414,211.79
  6. Step 6: Final answer
    x = 221,996.23

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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.