Home / 192,300.74-288,554.38-80,058.43

Finding the Fourth Proportional to 192,300.74, 288,554.38 and 80,058.43

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Solution

The fourth proportional to 192,300.74, 288,554.38 and 80,058.43 is: 120,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,300.74 : 288,554.38 = 80,058.43 : x
  2. Step 2: Convert to fraction form
    192,300.74/288,554.38 = 80,058.43/x
  3. Step 3: Cross multiply
    192,300.74x = 288,554.38 × 80,058.43
  4. Step 4: Simplify right side
    192,300.74x = 23,101,211,243.30
  5. Step 5: Solve for x
    x = 23,101,211,243.30/192,300.74
  6. Step 6: Final answer
    x = 120,130.64

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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.