Home / 229,329.22-343,981.68-71,539.60

Finding the Fourth Proportional to 229,329.22, 343,981.68 and 71,539.60

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Solution

The fourth proportional to 229,329.22, 343,981.68 and 71,539.60 is: 107,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,329.22 : 343,981.68 = 71,539.60 : x
  2. Step 2: Convert to fraction form
    229,329.22/343,981.68 = 71,539.60/x
  3. Step 3: Cross multiply
    229,329.22x = 343,981.68 × 71,539.60
  4. Step 4: Simplify right side
    229,329.22x = 24,608,311,794.53
  5. Step 5: Solve for x
    x = 24,608,311,794.53/229,329.22
  6. Step 6: Final answer
    x = 107,305.61

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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.