Home / 209,227.93-288,734.31-113,735.32

Finding the Fourth Proportional to 209,227.93, 288,734.31 and 113,735.32

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Solution

The fourth proportional to 209,227.93, 288,734.31 and 113,735.32 is: 156,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,227.93 : 288,734.31 = 113,735.32 : x
  2. Step 2: Convert to fraction form
    209,227.93/288,734.31 = 113,735.32/x
  3. Step 3: Cross multiply
    209,227.93x = 288,734.31 × 113,735.32
  4. Step 4: Simplify right side
    209,227.93x = 32,839,288,420.99
  5. Step 5: Solve for x
    x = 32,839,288,420.99/209,227.93
  6. Step 6: Final answer
    x = 156,954.61

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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.