Home / 192,964.64-266,291.21-117,513.14

Finding the Fourth Proportional to 192,964.64, 266,291.21 and 117,513.14

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Solution

The fourth proportional to 192,964.64, 266,291.21 and 117,513.14 is: 162,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,964.64 : 266,291.21 = 117,513.14 : x
  2. Step 2: Convert to fraction form
    192,964.64/266,291.21 = 117,513.14/x
  3. Step 3: Cross multiply
    192,964.64x = 266,291.21 × 117,513.14
  4. Step 4: Simplify right side
    192,964.64x = 31,292,716,319.66
  5. Step 5: Solve for x
    x = 31,292,716,319.66/192,964.64
  6. Step 6: Final answer
    x = 162,168.14

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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.