Home / 326,021.12-449,930.76-182,790.40

Finding the Fourth Proportional to 326,021.12, 449,930.76 and 182,790.40

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Solution

The fourth proportional to 326,021.12, 449,930.76 and 182,790.40 is: 252,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,021.12 : 449,930.76 = 182,790.40 : x
  2. Step 2: Convert to fraction form
    326,021.12/449,930.76 = 182,790.40/x
  3. Step 3: Cross multiply
    326,021.12x = 449,930.76 × 182,790.40
  4. Step 4: Simplify right side
    326,021.12x = 82,243,023,592.70
  5. Step 5: Solve for x
    x = 82,243,023,592.70/326,021.12
  6. Step 6: Final answer
    x = 252,262.87

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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.