Home / 204,647.85-306,947.07-54,899.51

Finding the Fourth Proportional to 204,647.85, 306,947.07 and 54,899.51

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Solution

The fourth proportional to 204,647.85, 306,947.07 and 54,899.51 is: 82,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,647.85 : 306,947.07 = 54,899.51 : x
  2. Step 2: Convert to fraction form
    204,647.85/306,947.07 = 54,899.51/x
  3. Step 3: Cross multiply
    204,647.85x = 306,947.07 × 54,899.51
  4. Step 4: Simplify right side
    204,647.85x = 16,851,242,204.20
  5. Step 5: Solve for x
    x = 16,851,242,204.20/204,647.85
  6. Step 6: Final answer
    x = 82,342.63

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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.