Home / 204,072.08-306,110.69-54,311.45

Finding the Fourth Proportional to 204,072.08, 306,110.69 and 54,311.45

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Solution

The fourth proportional to 204,072.08, 306,110.69 and 54,311.45 is: 81,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,072.08 : 306,110.69 = 54,311.45 : x
  2. Step 2: Convert to fraction form
    204,072.08/306,110.69 = 54,311.45/x
  3. Step 3: Cross multiply
    204,072.08x = 306,110.69 × 54,311.45
  4. Step 4: Simplify right side
    204,072.08x = 16,625,314,397.57
  5. Step 5: Solve for x
    x = 16,625,314,397.57/204,072.08
  6. Step 6: Final answer
    x = 81,467.85

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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.