Home / 326,072.96-449,789.56-205,022.40

Finding the Fourth Proportional to 326,072.96, 449,789.56 and 205,022.40

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Solution

The fourth proportional to 326,072.96, 449,789.56 and 205,022.40 is: 282,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,072.96 : 449,789.56 = 205,022.40 : x
  2. Step 2: Convert to fraction form
    326,072.96/449,789.56 = 205,022.40/x
  3. Step 3: Cross multiply
    326,072.96x = 449,789.56 × 205,022.40
  4. Step 4: Simplify right side
    326,072.96x = 92,216,935,086.14
  5. Step 5: Solve for x
    x = 92,216,935,086.14/326,072.96
  6. Step 6: Final answer
    x = 282,810.74

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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.