Home / 173,540.40-259,792.20-103,383.60

Finding the Fourth Proportional to 173,540.40, 259,792.20 and 103,383.60

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Solution

The fourth proportional to 173,540.40, 259,792.20 and 103,383.60 is: 154,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,540.40 : 259,792.20 = 103,383.60 : x
  2. Step 2: Convert to fraction form
    173,540.40/259,792.20 = 103,383.60/x
  3. Step 3: Cross multiply
    173,540.40x = 259,792.20 × 103,383.60
  4. Step 4: Simplify right side
    173,540.40x = 26,858,252,887.92
  5. Step 5: Solve for x
    x = 26,858,252,887.92/173,540.40
  6. Step 6: Final answer
    x = 154,766.57

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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.