Home / 325,190.46-448,815.93-223,131.68

Finding the Fourth Proportional to 325,190.46, 448,815.93 and 223,131.68

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Solution

The fourth proportional to 325,190.46, 448,815.93 and 223,131.68 is: 307,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,190.46 : 448,815.93 = 223,131.68 : x
  2. Step 2: Convert to fraction form
    325,190.46/448,815.93 = 223,131.68/x
  3. Step 3: Cross multiply
    325,190.46x = 448,815.93 × 223,131.68
  4. Step 4: Simplify right side
    325,190.46x = 100,145,050,227.58
  5. Step 5: Solve for x
    x = 100,145,050,227.58/325,190.46
  6. Step 6: Final answer
    x = 307,958.14

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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.