Home / 204,304.09-306,390.15-74,454.38

Finding the Fourth Proportional to 204,304.09, 306,390.15 and 74,454.38

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Solution

The fourth proportional to 204,304.09, 306,390.15 and 74,454.38 is: 111,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,304.09 : 306,390.15 = 74,454.38 : x
  2. Step 2: Convert to fraction form
    204,304.09/306,390.15 = 74,454.38/x
  3. Step 3: Cross multiply
    204,304.09x = 306,390.15 × 74,454.38
  4. Step 4: Simplify right side
    204,304.09x = 22,812,089,422.33
  5. Step 5: Solve for x
    x = 22,812,089,422.33/204,304.09
  6. Step 6: Final answer
    x = 111,657.53

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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.