Home / 356,009.58-491,274.19-194,833.45

Finding the Fourth Proportional to 356,009.58, 491,274.19 and 194,833.45

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Solution

The fourth proportional to 356,009.58, 491,274.19 and 194,833.45 is: 268,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,009.58 : 491,274.19 = 194,833.45 : x
  2. Step 2: Convert to fraction form
    356,009.58/491,274.19 = 194,833.45/x
  3. Step 3: Cross multiply
    356,009.58x = 491,274.19 × 194,833.45
  4. Step 4: Simplify right side
    356,009.58x = 95,716,645,333.66
  5. Step 5: Solve for x
    x = 95,716,645,333.66/356,009.58
  6. Step 6: Final answer
    x = 268,859.75

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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.