Home / 192,967.41-266,295.03-117,515.91

Finding the Fourth Proportional to 192,967.41, 266,295.03 and 117,515.91

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Solution

The fourth proportional to 192,967.41, 266,295.03 and 117,515.91 is: 162,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,967.41 : 266,295.03 = 117,515.91 : x
  2. Step 2: Convert to fraction form
    192,967.41/266,295.03 = 117,515.91/x
  3. Step 3: Cross multiply
    192,967.41x = 266,295.03 × 117,515.91
  4. Step 4: Simplify right side
    192,967.41x = 31,293,902,778.93
  5. Step 5: Solve for x
    x = 31,293,902,778.93/192,967.41
  6. Step 6: Final answer
    x = 162,171.96

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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.