Home / 229,441.06-316,743.78-143,447.82

Finding the Fourth Proportional to 229,441.06, 316,743.78 and 143,447.82

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Solution

The fourth proportional to 229,441.06, 316,743.78 and 143,447.82 is: 198,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,441.06 : 316,743.78 = 143,447.82 : x
  2. Step 2: Convert to fraction form
    229,441.06/316,743.78 = 143,447.82/x
  3. Step 3: Cross multiply
    229,441.06x = 316,743.78 × 143,447.82
  4. Step 4: Simplify right side
    229,441.06x = 45,436,204,739.56
  5. Step 5: Solve for x
    x = 45,436,204,739.56/229,441.06
  6. Step 6: Final answer
    x = 198,029.96

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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.