Home / 229,212.93-343,819.53-79,453.25

Finding the Fourth Proportional to 229,212.93, 343,819.53 and 79,453.25

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Solution

The fourth proportional to 229,212.93, 343,819.53 and 79,453.25 is: 119,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,212.93 : 343,819.53 = 79,453.25 : x
  2. Step 2: Convert to fraction form
    229,212.93/343,819.53 = 79,453.25/x
  3. Step 3: Cross multiply
    229,212.93x = 343,819.53 × 79,453.25
  4. Step 4: Simplify right side
    229,212.93x = 27,317,577,352.87
  5. Step 5: Solve for x
    x = 27,317,577,352.87/229,212.93
  6. Step 6: Final answer
    x = 119,179.91

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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.