Home / 135,683.53-203,459.34-40,896.10

Finding the Fourth Proportional to 135,683.53, 203,459.34 and 40,896.10

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Solution

The fourth proportional to 135,683.53, 203,459.34 and 40,896.10 is: 61,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,683.53 : 203,459.34 = 40,896.10 : x
  2. Step 2: Convert to fraction form
    135,683.53/203,459.34 = 40,896.10/x
  3. Step 3: Cross multiply
    135,683.53x = 203,459.34 × 40,896.10
  4. Step 4: Simplify right side
    135,683.53x = 8,320,694,208.37
  5. Step 5: Solve for x
    x = 8,320,694,208.37/135,683.53
  6. Step 6: Final answer
    x = 61,324.28

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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.