Home / 135,697.27-203,546.43-56,756.12

Finding the Fourth Proportional to 135,697.27, 203,546.43 and 56,756.12

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Solution

The fourth proportional to 135,697.27, 203,546.43 and 56,756.12 is: 85,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,697.27 : 203,546.43 = 56,756.12 : x
  2. Step 2: Convert to fraction form
    135,697.27/203,546.43 = 56,756.12/x
  3. Step 3: Cross multiply
    135,697.27x = 203,546.43 × 56,756.12
  4. Step 4: Simplify right side
    135,697.27x = 11,552,505,322.87
  5. Step 5: Solve for x
    x = 11,552,505,322.87/135,697.27
  6. Step 6: Final answer
    x = 85,134.40

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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.