Home / 356,120.99-491,427.61-194,944.89

Finding the Fourth Proportional to 356,120.99, 491,427.61 and 194,944.89

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Solution

The fourth proportional to 356,120.99, 491,427.61 and 194,944.89 is: 269,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,120.99 : 491,427.61 = 194,944.89 : x
  2. Step 2: Convert to fraction form
    356,120.99/491,427.61 = 194,944.89/x
  3. Step 3: Cross multiply
    356,120.99x = 491,427.61 × 194,944.89
  4. Step 4: Simplify right side
    356,120.99x = 95,801,302,729.90
  5. Step 5: Solve for x
    x = 95,801,302,729.90/356,120.99
  6. Step 6: Final answer
    x = 269,013.36

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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.