Home / 263,082.95-394,501.74-136,689.22

Finding the Fourth Proportional to 263,082.95, 394,501.74 and 136,689.22

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Solution

The fourth proportional to 263,082.95, 394,501.74 and 136,689.22 is: 204,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,082.95 : 394,501.74 = 136,689.22 : x
  2. Step 2: Convert to fraction form
    263,082.95/394,501.74 = 136,689.22/x
  3. Step 3: Cross multiply
    263,082.95x = 394,501.74 × 136,689.22
  4. Step 4: Simplify right side
    263,082.95x = 53,924,134,142.99
  5. Step 5: Solve for x
    x = 53,924,134,142.99/263,082.95
  6. Step 6: Final answer
    x = 204,970.08

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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.