Home / 165,529.13-248,249.82-45,557.60

Finding the Fourth Proportional to 165,529.13, 248,249.82 and 45,557.60

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Solution

The fourth proportional to 165,529.13, 248,249.82 and 45,557.60 is: 68,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,529.13 : 248,249.82 = 45,557.60 : x
  2. Step 2: Convert to fraction form
    165,529.13/248,249.82 = 45,557.60/x
  3. Step 3: Cross multiply
    165,529.13x = 248,249.82 × 45,557.60
  4. Step 4: Simplify right side
    165,529.13x = 11,309,665,999.63
  5. Step 5: Solve for x
    x = 11,309,665,999.63/165,529.13
  6. Step 6: Final answer
    x = 68,324.32

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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.