Home / 204,160.46-306,302.85-104,390.73

Finding the Fourth Proportional to 204,160.46, 306,302.85 and 104,390.73

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Solution

The fourth proportional to 204,160.46, 306,302.85 and 104,390.73 is: 156,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,160.46 : 306,302.85 = 104,390.73 : x
  2. Step 2: Convert to fraction form
    204,160.46/306,302.85 = 104,390.73/x
  3. Step 3: Cross multiply
    204,160.46x = 306,302.85 × 104,390.73
  4. Step 4: Simplify right side
    204,160.46x = 31,975,178,112.58
  5. Step 5: Solve for x
    x = 31,975,178,112.58/204,160.46
  6. Step 6: Final answer
    x = 156,617.88

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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.