Home / 122,589.03-183,540.96-66,227.22

Finding the Fourth Proportional to 122,589.03, 183,540.96 and 66,227.22

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Solution

The fourth proportional to 122,589.03, 183,540.96 and 66,227.22 is: 99,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,589.03 : 183,540.96 = 66,227.22 : x
  2. Step 2: Convert to fraction form
    122,589.03/183,540.96 = 66,227.22/x
  3. Step 3: Cross multiply
    122,589.03x = 183,540.96 × 66,227.22
  4. Step 4: Simplify right side
    122,589.03x = 12,155,407,536.93
  5. Step 5: Solve for x
    x = 12,155,407,536.93/122,589.03
  6. Step 6: Final answer
    x = 99,155.75

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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.