Home / 334,540.20-461,455.50-198,477.78

Finding the Fourth Proportional to 334,540.20, 461,455.50 and 198,477.78

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Solution

The fourth proportional to 334,540.20, 461,455.50 and 198,477.78 is: 273,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,540.20 : 461,455.50 = 198,477.78 : x
  2. Step 2: Convert to fraction form
    334,540.20/461,455.50 = 198,477.78/x
  3. Step 3: Cross multiply
    334,540.20x = 461,455.50 × 198,477.78
  4. Step 4: Simplify right side
    334,540.20x = 91,588,663,208.79
  5. Step 5: Solve for x
    x = 91,588,663,208.79/334,540.20
  6. Step 6: Final answer
    x = 273,774.76

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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.