Home / 202,556.66-279,504.36-111,907.22

Finding the Fourth Proportional to 202,556.66, 279,504.36 and 111,907.22

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Solution

The fourth proportional to 202,556.66, 279,504.36 and 111,907.22 is: 154,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,556.66 : 279,504.36 = 111,907.22 : x
  2. Step 2: Convert to fraction form
    202,556.66/279,504.36 = 111,907.22/x
  3. Step 3: Cross multiply
    202,556.66x = 279,504.36 × 111,907.22
  4. Step 4: Simplify right side
    202,556.66x = 31,278,555,905.48
  5. Step 5: Solve for x
    x = 31,278,555,905.48/202,556.66
  6. Step 6: Final answer
    x = 154,418.80

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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.