Home / 223,623.38-335,436.84-81,570.44

Finding the Fourth Proportional to 223,623.38, 335,436.84 and 81,570.44

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Solution

The fourth proportional to 223,623.38, 335,436.84 and 81,570.44 is: 122,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,623.38 : 335,436.84 = 81,570.44 : x
  2. Step 2: Convert to fraction form
    223,623.38/335,436.84 = 81,570.44/x
  3. Step 3: Cross multiply
    223,623.38x = 335,436.84 × 81,570.44
  4. Step 4: Simplify right side
    223,623.38x = 27,361,728,953.83
  5. Step 5: Solve for x
    x = 27,361,728,953.83/223,623.38
  6. Step 6: Final answer
    x = 122,356.30

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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.