Home / 120,081.51-180,125.91-41,194.59

Finding the Fourth Proportional to 120,081.51, 180,125.91 and 41,194.59

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Solution

The fourth proportional to 120,081.51, 180,125.91 and 41,194.59 is: 61,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,081.51 : 180,125.91 = 41,194.59 : x
  2. Step 2: Convert to fraction form
    120,081.51/180,125.91 = 41,194.59/x
  3. Step 3: Cross multiply
    120,081.51x = 180,125.91 × 41,194.59
  4. Step 4: Simplify right side
    120,081.51x = 7,420,213,010.83
  5. Step 5: Solve for x
    x = 7,420,213,010.83/120,081.51
  6. Step 6: Final answer
    x = 61,793.14

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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.