Home / 190,629.99-285,745.45-64,226.56

Finding the Fourth Proportional to 190,629.99, 285,745.45 and 64,226.56

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Solution

The fourth proportional to 190,629.99, 285,745.45 and 64,226.56 is: 96,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629.99 : 285,745.45 = 64,226.56 : x
  2. Step 2: Convert to fraction form
    190,629.99/285,745.45 = 64,226.56/x
  3. Step 3: Cross multiply
    190,629.99x = 285,745.45 × 64,226.56
  4. Step 4: Simplify right side
    190,629.99x = 18,352,445,539.29
  5. Step 5: Solve for x
    x = 18,352,445,539.29/190,629.99
  6. Step 6: Final answer
    x = 96,272.61

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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.