Home / 339,913.77-469,139.72-196,752.75

Finding the Fourth Proportional to 339,913.77, 469,139.72 and 196,752.75

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Solution

The fourth proportional to 339,913.77, 469,139.72 and 196,752.75 is: 271,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,913.77 : 469,139.72 = 196,752.75 : x
  2. Step 2: Convert to fraction form
    339,913.77/469,139.72 = 196,752.75/x
  3. Step 3: Cross multiply
    339,913.77x = 469,139.72 × 196,752.75
  4. Step 4: Simplify right side
    339,913.77x = 92,304,529,060.47
  5. Step 5: Solve for x
    x = 92,304,529,060.47/339,913.77
  6. Step 6: Final answer
    x = 271,552.78

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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.