Home / 263,082.83-394,501.55-136,689.09

Finding the Fourth Proportional to 263,082.83, 394,501.55 and 136,689.09

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Solution

The fourth proportional to 263,082.83, 394,501.55 and 136,689.09 is: 204,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,082.83 : 394,501.55 = 136,689.09 : x
  2. Step 2: Convert to fraction form
    263,082.83/394,501.55 = 136,689.09/x
  3. Step 3: Cross multiply
    263,082.83x = 394,501.55 × 136,689.09
  4. Step 4: Simplify right side
    263,082.83x = 53,924,057,873.09
  5. Step 5: Solve for x
    x = 53,924,057,873.09/263,082.83
  6. Step 6: Final answer
    x = 204,969.89

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1.5x scale

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.