Home / 263,083.33-394,502.30-136,689.59

Finding the Fourth Proportional to 263,083.33, 394,502.30 and 136,689.59

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Solution

The fourth proportional to 263,083.33, 394,502.30 and 136,689.59 is: 204,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,083.33 : 394,502.30 = 136,689.59 : x
  2. Step 2: Convert to fraction form
    263,083.33/394,502.30 = 136,689.59/x
  3. Step 3: Cross multiply
    263,083.33x = 394,502.30 × 136,689.59
  4. Step 4: Simplify right side
    263,083.33x = 53,924,357,641.06
  5. Step 5: Solve for x
    x = 53,924,357,641.06/263,083.33
  6. Step 6: Final answer
    x = 204,970.64

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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.