Home / 356,093.39-491,406.51-194,951.15

Finding the Fourth Proportional to 356,093.39, 491,406.51 and 194,951.15

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Solution

The fourth proportional to 356,093.39, 491,406.51 and 194,951.15 is: 269,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,093.39 : 491,406.51 = 194,951.15 : x
  2. Step 2: Convert to fraction form
    356,093.39/491,406.51 = 194,951.15/x
  3. Step 3: Cross multiply
    356,093.39x = 491,406.51 × 194,951.15
  4. Step 4: Simplify right side
    356,093.39x = 95,800,263,013.47
  5. Step 5: Solve for x
    x = 95,800,263,013.47/356,093.39
  6. Step 6: Final answer
    x = 269,031.29

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1.5x scale

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.