Home / 326,174.54-449,704.29-211,250.18

Finding the Fourth Proportional to 326,174.54, 449,704.29 and 211,250.18

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Solution

The fourth proportional to 326,174.54, 449,704.29 and 211,250.18 is: 291,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,174.54 : 449,704.29 = 211,250.18 : x
  2. Step 2: Convert to fraction form
    326,174.54/449,704.29 = 211,250.18/x
  3. Step 3: Cross multiply
    326,174.54x = 449,704.29 × 211,250.18
  4. Step 4: Simplify right side
    326,174.54x = 95,000,112,209.27
  5. Step 5: Solve for x
    x = 95,000,112,209.27/326,174.54
  6. Step 6: Final answer
    x = 291,255.45

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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.