Home / 192,965.41-266,292.27-117,513.91

Finding the Fourth Proportional to 192,965.41, 266,292.27 and 117,513.91

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Solution

The fourth proportional to 192,965.41, 266,292.27 and 117,513.91 is: 162,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,965.41 : 266,292.27 = 117,513.91 : x
  2. Step 2: Convert to fraction form
    192,965.41/266,292.27 = 117,513.91/x
  3. Step 3: Cross multiply
    192,965.41x = 266,292.27 × 117,513.91
  4. Step 4: Simplify right side
    192,965.41x = 31,293,047,097.54
  5. Step 5: Solve for x
    x = 31,293,047,097.54/192,965.41
  6. Step 6: Final answer
    x = 162,169.20

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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.