Home / 356,032.80-491,309.50-194,894.64

Finding the Fourth Proportional to 356,032.80, 491,309.50 and 194,894.64

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Solution

The fourth proportional to 356,032.80, 491,309.50 and 194,894.64 is: 268,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,032.80 : 491,309.50 = 194,894.64 : x
  2. Step 2: Convert to fraction form
    356,032.80/491,309.50 = 194,894.64/x
  3. Step 3: Cross multiply
    356,032.80x = 491,309.50 × 194,894.64
  4. Step 4: Simplify right side
    356,032.80x = 95,753,588,131.08
  5. Step 5: Solve for x
    x = 95,753,588,131.08/356,032.80
  6. Step 6: Final answer
    x = 268,945.97

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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.