Home / 355,999.41-491,278.36-194,853.05

Finding the Fourth Proportional to 355,999.41, 491,278.36 and 194,853.05

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Solution

The fourth proportional to 355,999.41, 491,278.36 and 194,853.05 is: 268,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,999.41 : 491,278.36 = 194,853.05 : x
  2. Step 2: Convert to fraction form
    355,999.41/491,278.36 = 194,853.05/x
  3. Step 3: Cross multiply
    355,999.41x = 491,278.36 × 194,853.05
  4. Step 4: Simplify right side
    355,999.41x = 95,727,086,845.00
  5. Step 5: Solve for x
    x = 95,727,086,845.00/355,999.41
  6. Step 6: Final answer
    x = 268,896.76

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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.