Home / 209,825.44-314,712.24-85,046.56

Finding the Fourth Proportional to 209,825.44, 314,712.24 and 85,046.56

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Solution

The fourth proportional to 209,825.44, 314,712.24 and 85,046.56 is: 127,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,825.44 : 314,712.24 = 85,046.56 : x
  2. Step 2: Convert to fraction form
    209,825.44/314,712.24 = 85,046.56/x
  3. Step 3: Cross multiply
    209,825.44x = 314,712.24 × 85,046.56
  4. Step 4: Simplify right side
    209,825.44x = 26,765,193,401.89
  5. Step 5: Solve for x
    x = 26,765,193,401.89/209,825.44
  6. Step 6: Final answer
    x = 127,559.33

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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.