Home / 356,022.52-491,323.54-194,877.68

Finding the Fourth Proportional to 356,022.52, 491,323.54 and 194,877.68

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Solution

The fourth proportional to 356,022.52, 491,323.54 and 194,877.68 is: 268,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,022.52 : 491,323.54 = 194,877.68 : x
  2. Step 2: Convert to fraction form
    356,022.52/491,323.54 = 194,877.68/x
  3. Step 3: Cross multiply
    356,022.52x = 491,323.54 × 194,877.68
  4. Step 4: Simplify right side
    356,022.52x = 95,747,991,604.59
  5. Step 5: Solve for x
    x = 95,747,991,604.59/356,022.52
  6. Step 6: Final answer
    x = 268,938.02

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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.