Home / 204,071.08-306,109.19-54,310.45

Finding the Fourth Proportional to 204,071.08, 306,109.19 and 54,310.45

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Solution

The fourth proportional to 204,071.08, 306,109.19 and 54,310.45 is: 81,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,071.08 : 306,109.19 = 54,310.45 : x
  2. Step 2: Convert to fraction form
    204,071.08/306,109.19 = 54,310.45/x
  3. Step 3: Cross multiply
    204,071.08x = 306,109.19 × 54,310.45
  4. Step 4: Simplify right side
    204,071.08x = 16,624,926,821.21
  5. Step 5: Solve for x
    x = 16,624,926,821.21/204,071.08
  6. Step 6: Final answer
    x = 81,466.35

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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.