Home / 204,326.74-306,230.55-91,886.86

Finding the Fourth Proportional to 204,326.74, 306,230.55 and 91,886.86

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Solution

The fourth proportional to 204,326.74, 306,230.55 and 91,886.86 is: 137,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,326.74 : 306,230.55 = 91,886.86 : x
  2. Step 2: Convert to fraction form
    204,326.74/306,230.55 = 91,886.86/x
  3. Step 3: Cross multiply
    204,326.74x = 306,230.55 × 91,886.86
  4. Step 4: Simplify right side
    204,326.74x = 28,138,563,675.57
  5. Step 5: Solve for x
    x = 28,138,563,675.57/204,326.74
  6. Step 6: Final answer
    x = 137,713.56

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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.