Home / 263,083.95-394,503.24-136,690.22

Finding the Fourth Proportional to 263,083.95, 394,503.24 and 136,690.22

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Solution

The fourth proportional to 263,083.95, 394,503.24 and 136,690.22 is: 204,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,083.95 : 394,503.24 = 136,690.22 : x
  2. Step 2: Convert to fraction form
    263,083.95/394,503.24 = 136,690.22/x
  3. Step 3: Cross multiply
    263,083.95x = 394,503.24 × 136,690.22
  4. Step 4: Simplify right side
    263,083.95x = 53,924,734,666.31
  5. Step 5: Solve for x
    x = 53,924,734,666.31/263,083.95
  6. Step 6: Final answer
    x = 204,971.59

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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.