Home / 204,539.48-306,823.19-69,548.59

Finding the Fourth Proportional to 204,539.48, 306,823.19 and 69,548.59

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Solution

The fourth proportional to 204,539.48, 306,823.19 and 69,548.59 is: 104,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,539.48 : 306,823.19 = 69,548.59 : x
  2. Step 2: Convert to fraction form
    204,539.48/306,823.19 = 69,548.59/x
  3. Step 3: Cross multiply
    204,539.48x = 306,823.19 × 69,548.59
  4. Step 4: Simplify right side
    204,539.48x = 21,339,120,243.80
  5. Step 5: Solve for x
    x = 21,339,120,243.80/204,539.48
  6. Step 6: Final answer
    x = 104,327.64

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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.