Home / 120,497.14-179,668.43-117,186.66

Finding the Fourth Proportional to 120,497.14, 179,668.43 and 117,186.66

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Solution

The fourth proportional to 120,497.14, 179,668.43 and 117,186.66 is: 174,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,497.14 : 179,668.43 = 117,186.66 : x
  2. Step 2: Convert to fraction form
    120,497.14/179,668.43 = 117,186.66/x
  3. Step 3: Cross multiply
    120,497.14x = 179,668.43 × 117,186.66
  4. Step 4: Simplify right side
    120,497.14x = 21,054,743,219.14
  5. Step 5: Solve for x
    x = 21,054,743,219.14/120,497.14
  6. Step 6: Final answer
    x = 174,732.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.