Home / 204,396.73-306,595.19-91,945.57

Finding the Fourth Proportional to 204,396.73, 306,595.19 and 91,945.57

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Solution

The fourth proportional to 204,396.73, 306,595.19 and 91,945.57 is: 137,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,396.73 : 306,595.19 = 91,945.57 : x
  2. Step 2: Convert to fraction form
    204,396.73/306,595.19 = 91,945.57/x
  3. Step 3: Cross multiply
    204,396.73x = 306,595.19 × 91,945.57
  4. Step 4: Simplify right side
    204,396.73x = 28,190,069,503.81
  5. Step 5: Solve for x
    x = 28,190,069,503.81/204,396.73
  6. Step 6: Final answer
    x = 137,918.40

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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.