Home / 120,721.44-181,193.94-61,601.16

Finding the Fourth Proportional to 120,721.44, 181,193.94 and 61,601.16

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Solution

The fourth proportional to 120,721.44, 181,193.94 and 61,601.16 is: 92,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,721.44 : 181,193.94 = 61,601.16 : x
  2. Step 2: Convert to fraction form
    120,721.44/181,193.94 = 61,601.16/x
  3. Step 3: Cross multiply
    120,721.44x = 181,193.94 × 61,601.16
  4. Step 4: Simplify right side
    120,721.44x = 11,161,756,888.97
  5. Step 5: Solve for x
    x = 11,161,756,888.97/120,721.44
  6. Step 6: Final answer
    x = 92,458.78

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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.