Home / 190,629.67-285,744.99-64,226.25

Finding the Fourth Proportional to 190,629.67, 285,744.99 and 64,226.25

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Solution

The fourth proportional to 190,629.67, 285,744.99 and 64,226.25 is: 96,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629.67 : 285,744.99 = 64,226.25 : x
  2. Step 2: Convert to fraction form
    190,629.67/285,744.99 = 64,226.25/x
  3. Step 3: Cross multiply
    190,629.67x = 285,744.99 × 64,226.25
  4. Step 4: Simplify right side
    190,629.67x = 18,352,328,610.19
  5. Step 5: Solve for x
    x = 18,352,328,610.19/190,629.67
  6. Step 6: Final answer
    x = 96,272.15

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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.