Home / 324,408.48-447,632.64-181,161.60

Finding the Fourth Proportional to 324,408.48, 447,632.64 and 181,161.60

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Solution

The fourth proportional to 324,408.48, 447,632.64 and 181,161.60 is: 249,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,408.48 : 447,632.64 = 181,161.60 : x
  2. Step 2: Convert to fraction form
    324,408.48/447,632.64 = 181,161.60/x
  3. Step 3: Cross multiply
    324,408.48x = 447,632.64 × 181,161.60
  4. Step 4: Simplify right side
    324,408.48x = 81,093,845,274.62
  5. Step 5: Solve for x
    x = 81,093,845,274.62/324,408.48
  6. Step 6: Final answer
    x = 249,974.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.