Home / 204,022.90-306,034.35-156,783.70

Finding the Fourth Proportional to 204,022.90, 306,034.35 and 156,783.70

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Solution

The fourth proportional to 204,022.90, 306,034.35 and 156,783.70 is: 235,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,022.90 : 306,034.35 = 156,783.70 : x
  2. Step 2: Convert to fraction form
    204,022.90/306,034.35 = 156,783.70/x
  3. Step 3: Cross multiply
    204,022.90x = 306,034.35 × 156,783.70
  4. Step 4: Simplify right side
    204,022.90x = 47,981,197,720.10
  5. Step 5: Solve for x
    x = 47,981,197,720.10/204,022.90
  6. Step 6: Final answer
    x = 235,175.55

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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.