Home / 335,245.48-502,819-135,561.44

Finding the Fourth Proportional to 335,245.48, 502,819 and 135,561.44

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Solution

The fourth proportional to 335,245.48, 502,819 and 135,561.44 is: 203,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,245.48 : 502,819 = 135,561.44 : x
  2. Step 2: Convert to fraction form
    335,245.48/502,819 = 135,561.44/x
  3. Step 3: Cross multiply
    335,245.48x = 502,819 × 135,561.44
  4. Step 4: Simplify right side
    335,245.48x = 68,162,867,699.36
  5. Step 5: Solve for x
    x = 68,162,867,699.36/335,245.48
  6. Step 6: Final answer
    x = 203,322.26

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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.