Home / 301,249.73-451,653.17-143,588.90

Finding the Fourth Proportional to 301,249.73, 451,653.17 and 143,588.90

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Solution

The fourth proportional to 301,249.73, 451,653.17 and 143,588.90 is: 215,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,249.73 : 451,653.17 = 143,588.90 : x
  2. Step 2: Convert to fraction form
    301,249.73/451,653.17 = 143,588.90/x
  3. Step 3: Cross multiply
    301,249.73x = 451,653.17 × 143,588.90
  4. Step 4: Simplify right side
    301,249.73x = 64,852,382,273.00
  5. Step 5: Solve for x
    x = 64,852,382,273.00/301,249.73
  6. Step 6: Final answer
    x = 215,277.81

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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.