Home / 190,198.32-285,297.18-57,078.32

Finding the Fourth Proportional to 190,198.32, 285,297.18 and 57,078.32

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Solution

The fourth proportional to 190,198.32, 285,297.18 and 57,078.32 is: 85,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,198.32 : 285,297.18 = 57,078.32 : x
  2. Step 2: Convert to fraction form
    190,198.32/285,297.18 = 57,078.32/x
  3. Step 3: Cross multiply
    190,198.32x = 285,297.18 × 57,078.32
  4. Step 4: Simplify right side
    190,198.32x = 16,284,283,735.14
  5. Step 5: Solve for x
    x = 16,284,283,735.14/190,198.32
  6. Step 6: Final answer
    x = 85,617.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.