Home / 204,428.16-306,620.67-54,683.57

Finding the Fourth Proportional to 204,428.16, 306,620.67 and 54,683.57

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Solution

The fourth proportional to 204,428.16, 306,620.67 and 54,683.57 is: 82,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,428.16 : 306,620.67 = 54,683.57 : x
  2. Step 2: Convert to fraction form
    204,428.16/306,620.67 = 54,683.57/x
  3. Step 3: Cross multiply
    204,428.16x = 306,620.67 × 54,683.57
  4. Step 4: Simplify right side
    204,428.16x = 16,767,111,338.29
  5. Step 5: Solve for x
    x = 16,767,111,338.29/204,428.16
  6. Step 6: Final answer
    x = 82,019.58

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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.