Home / 192,834.39-266,111.46-117,382.89

Finding the Fourth Proportional to 192,834.39, 266,111.46 and 117,382.89

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Solution

The fourth proportional to 192,834.39, 266,111.46 and 117,382.89 is: 161,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,834.39 : 266,111.46 = 117,382.89 : x
  2. Step 2: Convert to fraction form
    192,834.39/266,111.46 = 117,382.89/x
  3. Step 3: Cross multiply
    192,834.39x = 266,111.46 × 117,382.89
  4. Step 4: Simplify right side
    192,834.39x = 31,236,932,236.92
  5. Step 5: Solve for x
    x = 31,236,932,236.92/192,834.39
  6. Step 6: Final answer
    x = 161,988.39

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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.