Home / 192,647.23-288,889.51-57,730.43

Finding the Fourth Proportional to 192,647.23, 288,889.51 and 57,730.43

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Solution

The fourth proportional to 192,647.23, 288,889.51 and 57,730.43 is: 86,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,647.23 : 288,889.51 = 57,730.43 : x
  2. Step 2: Convert to fraction form
    192,647.23/288,889.51 = 57,730.43/x
  3. Step 3: Cross multiply
    192,647.23x = 288,889.51 × 57,730.43
  4. Step 4: Simplify right side
    192,647.23x = 16,677,715,634.79
  5. Step 5: Solve for x
    x = 16,677,715,634.79/192,647.23
  6. Step 6: Final answer
    x = 86,571.27

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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.