Home / 204,029.40-306,019.74-54,280.68

Finding the Fourth Proportional to 204,029.40, 306,019.74 and 54,280.68

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Solution

The fourth proportional to 204,029.40, 306,019.74 and 54,280.68 is: 81,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,029.40 : 306,019.74 = 54,280.68 : x
  2. Step 2: Convert to fraction form
    204,029.40/306,019.74 = 54,280.68/x
  3. Step 3: Cross multiply
    204,029.40x = 306,019.74 × 54,280.68
  4. Step 4: Simplify right side
    204,029.40x = 16,610,959,580.62
  5. Step 5: Solve for x
    x = 16,610,959,580.62/204,029.40
  6. Step 6: Final answer
    x = 81,414.54

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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.