Home / 414,029.16-621,043.69-133,546.41

Finding the Fourth Proportional to 414,029.16, 621,043.69 and 133,546.41

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Solution

The fourth proportional to 414,029.16, 621,043.69 and 133,546.41 is: 200,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,029.16 : 621,043.69 = 133,546.41 : x
  2. Step 2: Convert to fraction form
    414,029.16/621,043.69 = 133,546.41/x
  3. Step 3: Cross multiply
    414,029.16x = 621,043.69 × 133,546.41
  4. Step 4: Simplify right side
    414,029.16x = 82,938,155,169.19
  5. Step 5: Solve for x
    x = 82,938,155,169.19/414,029.16
  6. Step 6: Final answer
    x = 200,319.60

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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.