Home / 204,003.70-306,005.55-54,267.10

Finding the Fourth Proportional to 204,003.70, 306,005.55 and 54,267.10

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Solution

The fourth proportional to 204,003.70, 306,005.55 and 54,267.10 is: 81,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,003.70 : 306,005.55 = 54,267.10 : x
  2. Step 2: Convert to fraction form
    204,003.70/306,005.55 = 54,267.10/x
  3. Step 3: Cross multiply
    204,003.70x = 306,005.55 × 54,267.10
  4. Step 4: Simplify right side
    204,003.70x = 16,606,033,782.41
  5. Step 5: Solve for x
    x = 16,606,033,782.41/204,003.70
  6. Step 6: Final answer
    x = 81,400.65

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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.