Home / 209,576.23-288,664.26-161,085.43

Finding the Fourth Proportional to 209,576.23, 288,664.26 and 161,085.43

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Solution

The fourth proportional to 209,576.23, 288,664.26 and 161,085.43 is: 221,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,576.23 : 288,664.26 = 161,085.43 : x
  2. Step 2: Convert to fraction form
    209,576.23/288,664.26 = 161,085.43/x
  3. Step 3: Cross multiply
    209,576.23x = 288,664.26 × 161,085.43
  4. Step 4: Simplify right side
    209,576.23x = 46,499,606,447.73
  5. Step 5: Solve for x
    x = 46,499,606,447.73/209,576.23
  6. Step 6: Final answer
    x = 221,874.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.