Home / 204,158.25-306,299.58-104,388.51

Finding the Fourth Proportional to 204,158.25, 306,299.58 and 104,388.51

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Solution

The fourth proportional to 204,158.25, 306,299.58 and 104,388.51 is: 156,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,158.25 : 306,299.58 = 104,388.51 : x
  2. Step 2: Convert to fraction form
    204,158.25/306,299.58 = 104,388.51/x
  3. Step 3: Cross multiply
    204,158.25x = 306,299.58 × 104,388.51
  4. Step 4: Simplify right side
    204,158.25x = 31,974,156,769.83
  5. Step 5: Solve for x
    x = 31,974,156,769.83/204,158.25
  6. Step 6: Final answer
    x = 156,614.57

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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.