Home / 414,076.14-621,043.74-133,593.39

Finding the Fourth Proportional to 414,076.14, 621,043.74 and 133,593.39

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Solution

The fourth proportional to 414,076.14, 621,043.74 and 133,593.39 is: 200,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,076.14 : 621,043.74 = 133,593.39 : x
  2. Step 2: Convert to fraction form
    414,076.14/621,043.74 = 133,593.39/x
  3. Step 3: Cross multiply
    414,076.14x = 621,043.74 × 133,593.39
  4. Step 4: Simplify right side
    414,076.14x = 82,967,338,564.88
  5. Step 5: Solve for x
    x = 82,967,338,564.88/414,076.14
  6. Step 6: Final answer
    x = 200,367.35

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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.