Home / 135,465.21-203,197.82-56,536.38

Finding the Fourth Proportional to 135,465.21, 203,197.82 and 56,536.38

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Solution

The fourth proportional to 135,465.21, 203,197.82 and 56,536.38 is: 84,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,465.21 : 203,197.82 = 56,536.38 : x
  2. Step 2: Convert to fraction form
    135,465.21/203,197.82 = 56,536.38/x
  3. Step 3: Cross multiply
    135,465.21x = 203,197.82 × 56,536.38
  4. Step 4: Simplify right side
    135,465.21x = 11,488,068,884.01
  5. Step 5: Solve for x
    x = 11,488,068,884.01/135,465.21
  6. Step 6: Final answer
    x = 84,804.57

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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.