Home / 135,769.21-203,655.31-41,000.20

Finding the Fourth Proportional to 135,769.21, 203,655.31 and 41,000.20

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Solution

The fourth proportional to 135,769.21, 203,655.31 and 41,000.20 is: 61,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,769.21 : 203,655.31 = 41,000.20 : x
  2. Step 2: Convert to fraction form
    135,769.21/203,655.31 = 41,000.20/x
  3. Step 3: Cross multiply
    135,769.21x = 203,655.31 × 41,000.20
  4. Step 4: Simplify right side
    135,769.21x = 8,349,907,217.78
  5. Step 5: Solve for x
    x = 8,349,907,217.78/135,769.21
  6. Step 6: Final answer
    x = 61,500.74

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1.5x scale

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.