Home / 120,722.16-181,083.24-41,836.36

Finding the Fourth Proportional to 120,722.16, 181,083.24 and 41,836.36

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Solution

The fourth proportional to 120,722.16, 181,083.24 and 41,836.36 is: 62,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,722.16 : 181,083.24 = 41,836.36 : x
  2. Step 2: Convert to fraction form
    120,722.16/181,083.24 = 41,836.36/x
  3. Step 3: Cross multiply
    120,722.16x = 181,083.24 × 41,836.36
  4. Step 4: Simplify right side
    120,722.16x = 7,575,863,618.61
  5. Step 5: Solve for x
    x = 7,575,863,618.61/120,722.16
  6. Step 6: Final answer
    x = 62,754.54

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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.