Home / 331,623.48-457,594.20-186,408.68

Finding the Fourth Proportional to 331,623.48, 457,594.20 and 186,408.68

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Solution

The fourth proportional to 331,623.48, 457,594.20 and 186,408.68 is: 257,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,623.48 : 457,594.20 = 186,408.68 : x
  2. Step 2: Convert to fraction form
    331,623.48/457,594.20 = 186,408.68/x
  3. Step 3: Cross multiply
    331,623.48x = 457,594.20 × 186,408.68
  4. Step 4: Simplify right side
    331,623.48x = 85,299,530,797.66
  5. Step 5: Solve for x
    x = 85,299,530,797.66/331,623.48
  6. Step 6: Final answer
    x = 257,218.01

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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.