Home / 120,786.57-181,194.26-58,412.25

Finding the Fourth Proportional to 120,786.57, 181,194.26 and 58,412.25

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Solution

The fourth proportional to 120,786.57, 181,194.26 and 58,412.25 is: 87,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,786.57 : 181,194.26 = 58,412.25 : x
  2. Step 2: Convert to fraction form
    120,786.57/181,194.26 = 58,412.25/x
  3. Step 3: Cross multiply
    120,786.57x = 181,194.26 × 58,412.25
  4. Step 4: Simplify right side
    120,786.57x = 10,583,964,121.62
  5. Step 5: Solve for x
    x = 10,583,964,121.62/120,786.57
  6. Step 6: Final answer
    x = 87,625.34

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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.