Home / 209,183.44-288,675.04-113,690.36

Finding the Fourth Proportional to 209,183.44, 288,675.04 and 113,690.36

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Solution

The fourth proportional to 209,183.44, 288,675.04 and 113,690.36 is: 156,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,183.44 : 288,675.04 = 113,690.36 : x
  2. Step 2: Convert to fraction form
    209,183.44/288,675.04 = 113,690.36/x
  3. Step 3: Cross multiply
    209,183.44x = 288,675.04 × 113,690.36
  4. Step 4: Simplify right side
    209,183.44x = 32,819,569,220.61
  5. Step 5: Solve for x
    x = 32,819,569,220.61/209,183.44
  6. Step 6: Final answer
    x = 156,893.73

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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.