Home / 192,467.97-288,705.60-66,107.43

Finding the Fourth Proportional to 192,467.97, 288,705.60 and 66,107.43

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Solution

The fourth proportional to 192,467.97, 288,705.60 and 66,107.43 is: 99,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,467.97 : 288,705.60 = 66,107.43 : x
  2. Step 2: Convert to fraction form
    192,467.97/288,705.60 = 66,107.43/x
  3. Step 3: Cross multiply
    192,467.97x = 288,705.60 × 66,107.43
  4. Step 4: Simplify right side
    192,467.97x = 19,085,585,242.61
  5. Step 5: Solve for x
    x = 19,085,585,242.61/192,467.97
  6. Step 6: Final answer
    x = 99,162.40

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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.