Home / 135,493.72-203,251.10-40,716.51

Finding the Fourth Proportional to 135,493.72, 203,251.10 and 40,716.51

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Solution

The fourth proportional to 135,493.72, 203,251.10 and 40,716.51 is: 61,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,493.72 : 203,251.10 = 40,716.51 : x
  2. Step 2: Convert to fraction form
    135,493.72/203,251.10 = 40,716.51/x
  3. Step 3: Cross multiply
    135,493.72x = 203,251.10 × 40,716.51
  4. Step 4: Simplify right side
    135,493.72x = 8,275,675,445.66
  5. Step 5: Solve for x
    x = 8,275,675,445.66/135,493.72
  6. Step 6: Final answer
    x = 61,077.93

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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.