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Finding the Fourth Proportional to 192,839.66, 266,133.84 and 111,194.16

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Solution

The fourth proportional to 192,839.66, 266,133.84 and 111,194.16 is: 153,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,839.66 : 266,133.84 = 111,194.16 : x
  2. Step 2: Convert to fraction form
    192,839.66/266,133.84 = 111,194.16/x
  3. Step 3: Cross multiply
    192,839.66x = 266,133.84 × 111,194.16
  4. Step 4: Simplify right side
    192,839.66x = 29,592,528,230.40
  5. Step 5: Solve for x
    x = 29,592,528,230.40/192,839.66
  6. Step 6: Final answer
    x = 153,456.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.