Home / 135,769.60-203,683.20-41,003.20

Finding the Fourth Proportional to 135,769.60, 203,683.20 and 41,003.20

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Solution

The fourth proportional to 135,769.60, 203,683.20 and 41,003.20 is: 61,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,769.60 : 203,683.20 = 41,003.20 : x
  2. Step 2: Convert to fraction form
    135,769.60/203,683.20 = 41,003.20/x
  3. Step 3: Cross multiply
    135,769.60x = 203,683.20 × 41,003.20
  4. Step 4: Simplify right side
    135,769.60x = 8,351,662,986.24
  5. Step 5: Solve for x
    x = 8,351,662,986.24/135,769.60
  6. Step 6: Final answer
    x = 61,513.50

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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.