Home / 192,328.30-288,463.26-67,640.14

Finding the Fourth Proportional to 192,328.30, 288,463.26 and 67,640.14

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Solution

The fourth proportional to 192,328.30, 288,463.26 and 67,640.14 is: 101,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,328.30 : 288,463.26 = 67,640.14 : x
  2. Step 2: Convert to fraction form
    192,328.30/288,463.26 = 67,640.14/x
  3. Step 3: Cross multiply
    192,328.30x = 288,463.26 × 67,640.14
  4. Step 4: Simplify right side
    192,328.30x = 19,511,695,291.26
  5. Step 5: Solve for x
    x = 19,511,695,291.26/192,328.30
  6. Step 6: Final answer
    x = 101,449.94

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1.5x scale

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.