Home / 135,986.28-203,839.14-98,453.16

Finding the Fourth Proportional to 135,986.28, 203,839.14 and 98,453.16

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Solution

The fourth proportional to 135,986.28, 203,839.14 and 98,453.16 is: 147,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,986.28 : 203,839.14 = 98,453.16 : x
  2. Step 2: Convert to fraction form
    135,986.28/203,839.14 = 98,453.16/x
  3. Step 3: Cross multiply
    135,986.28x = 203,839.14 × 98,453.16
  4. Step 4: Simplify right side
    135,986.28x = 20,068,607,464.68
  5. Step 5: Solve for x
    x = 20,068,607,464.68/135,986.28
  6. Step 6: Final answer
    x = 147,578.18

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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.