Home / 325,200.44-448,667.64-189,205.28

Finding the Fourth Proportional to 325,200.44, 448,667.64 and 189,205.28

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Solution

The fourth proportional to 325,200.44, 448,667.64 and 189,205.28 is: 261,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,200.44 : 448,667.64 = 189,205.28 : x
  2. Step 2: Convert to fraction form
    325,200.44/448,667.64 = 189,205.28/x
  3. Step 3: Cross multiply
    325,200.44x = 448,667.64 × 189,205.28
  4. Step 4: Simplify right side
    325,200.44x = 84,890,286,453.14
  5. Step 5: Solve for x
    x = 84,890,286,453.14/325,200.44
  6. Step 6: Final answer
    x = 261,039.89

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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.