Home / 229,057.90-343,586.86-71,286.41

Finding the Fourth Proportional to 229,057.90, 343,586.86 and 71,286.41

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Solution

The fourth proportional to 229,057.90, 343,586.86 and 71,286.41 is: 106,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,057.90 : 343,586.86 = 71,286.41 : x
  2. Step 2: Convert to fraction form
    229,057.90/343,586.86 = 71,286.41/x
  3. Step 3: Cross multiply
    229,057.90x = 343,586.86 × 71,286.41
  4. Step 4: Simplify right side
    229,057.90x = 24,493,074,453.32
  5. Step 5: Solve for x
    x = 24,493,074,453.32/229,057.90
  6. Step 6: Final answer
    x = 106,929.62

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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.