Home / 204,429.66-306,622.92-54,685.06

Finding the Fourth Proportional to 204,429.66, 306,622.92 and 54,685.06

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Solution

The fourth proportional to 204,429.66, 306,622.92 and 54,685.06 is: 82,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,429.66 : 306,622.92 = 54,685.06 : x
  2. Step 2: Convert to fraction form
    204,429.66/306,622.92 = 54,685.06/x
  3. Step 3: Cross multiply
    204,429.66x = 306,622.92 × 54,685.06
  4. Step 4: Simplify right side
    204,429.66x = 16,767,692,777.58
  5. Step 5: Solve for x
    x = 16,767,692,777.58/204,429.66
  6. Step 6: Final answer
    x = 82,021.82

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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.