Home / 204,326.24-306,229.80-91,886.36

Finding the Fourth Proportional to 204,326.24, 306,229.80 and 91,886.36

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Solution

The fourth proportional to 204,326.24, 306,229.80 and 91,886.36 is: 137,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,326.24 : 306,229.80 = 91,886.36 : x
  2. Step 2: Convert to fraction form
    204,326.24/306,229.80 = 91,886.36/x
  3. Step 3: Cross multiply
    204,326.24x = 306,229.80 × 91,886.36
  4. Step 4: Simplify right side
    204,326.24x = 28,138,341,645.53
  5. Step 5: Solve for x
    x = 28,138,341,645.53/204,326.24
  6. Step 6: Final answer
    x = 137,712.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.