Home / 204,321.30-306,481.95-92,040.72

Finding the Fourth Proportional to 204,321.30, 306,481.95 and 92,040.72

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Solution

The fourth proportional to 204,321.30, 306,481.95 and 92,040.72 is: 138,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,321.30 : 306,481.95 = 92,040.72 : x
  2. Step 2: Convert to fraction form
    204,321.30/306,481.95 = 92,040.72/x
  3. Step 3: Cross multiply
    204,321.30x = 306,481.95 × 92,040.72
  4. Step 4: Simplify right side
    204,321.30x = 28,208,819,345.00
  5. Step 5: Solve for x
    x = 28,208,819,345.00/204,321.30
  6. Step 6: Final answer
    x = 138,061.08

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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.