Home / 202,326.09-279,209.97-111,682.03

Finding the Fourth Proportional to 202,326.09, 279,209.97 and 111,682.03

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Solution

The fourth proportional to 202,326.09, 279,209.97 and 111,682.03 is: 154,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,326.09 : 279,209.97 = 111,682.03 : x
  2. Step 2: Convert to fraction form
    202,326.09/279,209.97 = 111,682.03/x
  3. Step 3: Cross multiply
    202,326.09x = 279,209.97 × 111,682.03
  4. Step 4: Simplify right side
    202,326.09x = 31,182,736,245.84
  5. Step 5: Solve for x
    x = 31,182,736,245.84/202,326.09
  6. Step 6: Final answer
    x = 154,121.18

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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.