Home / 216,493.20-324,739.92-141,676.32

Finding the Fourth Proportional to 216,493.20, 324,739.92 and 141,676.32

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Solution

The fourth proportional to 216,493.20, 324,739.92 and 141,676.32 is: 212,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,493.20 : 324,739.92 = 141,676.32 : x
  2. Step 2: Convert to fraction form
    216,493.20/324,739.92 = 141,676.32/x
  3. Step 3: Cross multiply
    216,493.20x = 324,739.92 × 141,676.32
  4. Step 4: Simplify right side
    216,493.20x = 46,007,956,822.69
  5. Step 5: Solve for x
    x = 46,007,956,822.69/216,493.20
  6. Step 6: Final answer
    x = 212,514.56

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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.