Home / 192,487.75-288,710.83-64,389.52

Finding the Fourth Proportional to 192,487.75, 288,710.83 and 64,389.52

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Solution

The fourth proportional to 192,487.75, 288,710.83 and 64,389.52 is: 96,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,487.75 : 288,710.83 = 64,389.52 : x
  2. Step 2: Convert to fraction form
    192,487.75/288,710.83 = 64,389.52/x
  3. Step 3: Cross multiply
    192,487.75x = 288,710.83 × 64,389.52
  4. Step 4: Simplify right side
    192,487.75x = 18,589,950,217.69
  5. Step 5: Solve for x
    x = 18,589,950,217.69/192,487.75
  6. Step 6: Final answer
    x = 96,577.32

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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.