Home / 204,815.70-307,223.55-173,322.90

Finding the Fourth Proportional to 204,815.70, 307,223.55 and 173,322.90

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Solution

The fourth proportional to 204,815.70, 307,223.55 and 173,322.90 is: 259,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,815.70 : 307,223.55 = 173,322.90 : x
  2. Step 2: Convert to fraction form
    204,815.70/307,223.55 = 173,322.90/x
  3. Step 3: Cross multiply
    204,815.70x = 307,223.55 × 173,322.90
  4. Step 4: Simplify right side
    204,815.70x = 53,248,876,634.30
  5. Step 5: Solve for x
    x = 53,248,876,634.30/204,815.70
  6. Step 6: Final answer
    x = 259,984.35

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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.