Home / 202,453.30-279,387.66-111,811.56

Finding the Fourth Proportional to 202,453.30, 279,387.66 and 111,811.56

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Solution

The fourth proportional to 202,453.30, 279,387.66 and 111,811.56 is: 154,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,453.30 : 279,387.66 = 111,811.56 : x
  2. Step 2: Convert to fraction form
    202,453.30/279,387.66 = 111,811.56/x
  3. Step 3: Cross multiply
    202,453.30x = 279,387.66 × 111,811.56
  4. Step 4: Simplify right side
    202,453.30x = 31,238,770,109.35
  5. Step 5: Solve for x
    x = 31,238,770,109.35/202,453.30
  6. Step 6: Final answer
    x = 154,301.12

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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.