Home / 263,993.22-363,958.21-209,725.46

Finding the Fourth Proportional to 263,993.22, 363,958.21 and 209,725.46

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Solution

The fourth proportional to 263,993.22, 363,958.21 and 209,725.46 is: 289,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,993.22 : 363,958.21 = 209,725.46 : x
  2. Step 2: Convert to fraction form
    263,993.22/363,958.21 = 209,725.46/x
  3. Step 3: Cross multiply
    263,993.22x = 363,958.21 × 209,725.46
  4. Step 4: Simplify right side
    263,993.22x = 76,331,303,013.03
  5. Step 5: Solve for x
    x = 76,331,303,013.03/263,993.22
  6. Step 6: Final answer
    x = 289,141.15

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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.