Home / 202,556.16-279,503.67-111,906.72

Finding the Fourth Proportional to 202,556.16, 279,503.67 and 111,906.72

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Solution

The fourth proportional to 202,556.16, 279,503.67 and 111,906.72 is: 154,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,556.16 : 279,503.67 = 111,906.72 : x
  2. Step 2: Convert to fraction form
    202,556.16/279,503.67 = 111,906.72/x
  3. Step 3: Cross multiply
    202,556.16x = 279,503.67 × 111,906.72
  4. Step 4: Simplify right side
    202,556.16x = 31,278,338,937.66
  5. Step 5: Solve for x
    x = 31,278,338,937.66/202,556.16
  6. Step 6: Final answer
    x = 154,418.11

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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.