Home / 203,724.34-306,084.69-192,394.30

Finding the Fourth Proportional to 203,724.34, 306,084.69 and 192,394.30

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Solution

The fourth proportional to 203,724.34, 306,084.69 and 192,394.30 is: 289,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,724.34 : 306,084.69 = 192,394.30 : x
  2. Step 2: Convert to fraction form
    203,724.34/306,084.69 = 192,394.30/x
  3. Step 3: Cross multiply
    203,724.34x = 306,084.69 × 192,394.30
  4. Step 4: Simplify right side
    203,724.34x = 58,888,949,673.27
  5. Step 5: Solve for x
    x = 58,888,949,673.27/203,724.34
  6. Step 6: Final answer
    x = 289,061.92

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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.