Home / 209,114.44-288,573.77-113,621.82

Finding the Fourth Proportional to 209,114.44, 288,573.77 and 113,621.82

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Solution

The fourth proportional to 209,114.44, 288,573.77 and 113,621.82 is: 156,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,114.44 : 288,573.77 = 113,621.82 : x
  2. Step 2: Convert to fraction form
    209,114.44/288,573.77 = 113,621.82/x
  3. Step 3: Cross multiply
    209,114.44x = 288,573.77 × 113,621.82
  4. Step 4: Simplify right side
    209,114.44x = 32,788,274,940.68
  5. Step 5: Solve for x
    x = 32,788,274,940.68/209,114.44
  6. Step 6: Final answer
    x = 156,795.85

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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.