Home / 204,320.66-281,965.12-112,450.52

Finding the Fourth Proportional to 204,320.66, 281,965.12 and 112,450.52

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Solution

The fourth proportional to 204,320.66, 281,965.12 and 112,450.52 is: 155,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,320.66 : 281,965.12 = 112,450.52 : x
  2. Step 2: Convert to fraction form
    204,320.66/281,965.12 = 112,450.52/x
  3. Step 3: Cross multiply
    204,320.66x = 281,965.12 × 112,450.52
  4. Step 4: Simplify right side
    204,320.66x = 31,707,124,365.86
  5. Step 5: Solve for x
    x = 31,707,124,365.86/204,320.66
  6. Step 6: Final answer
    x = 155,183.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.