Home / 355,938.02-491,187.90-194,789.84

Finding the Fourth Proportional to 355,938.02, 491,187.90 and 194,789.84

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Solution

The fourth proportional to 355,938.02, 491,187.90 and 194,789.84 is: 268,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,938.02 : 491,187.90 = 194,789.84 : x
  2. Step 2: Convert to fraction form
    355,938.02/491,187.90 = 194,789.84/x
  3. Step 3: Cross multiply
    355,938.02x = 491,187.90 × 194,789.84
  4. Step 4: Simplify right side
    355,938.02x = 95,678,412,450.94
  5. Step 5: Solve for x
    x = 95,678,412,450.94/355,938.02
  6. Step 6: Final answer
    x = 268,806.39

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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.