Home / 178,792.75-268,184.97-90,022.42

Finding the Fourth Proportional to 178,792.75, 268,184.97 and 90,022.42

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Solution

The fourth proportional to 178,792.75, 268,184.97 and 90,022.42 is: 135,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,792.75 : 268,184.97 = 90,022.42 : x
  2. Step 2: Convert to fraction form
    178,792.75/268,184.97 = 90,022.42/x
  3. Step 3: Cross multiply
    178,792.75x = 268,184.97 × 90,022.42
  4. Step 4: Simplify right side
    178,792.75x = 24,142,660,007.03
  5. Step 5: Solve for x
    x = 24,142,660,007.03/178,792.75
  6. Step 6: Final answer
    x = 135,031.54

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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.