Home / 196,518.05-270,920.31-166,181.66

Finding the Fourth Proportional to 196,518.05, 270,920.31 and 166,181.66

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Solution

The fourth proportional to 196,518.05, 270,920.31 and 166,181.66 is: 229,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,518.05 : 270,920.31 = 166,181.66 : x
  2. Step 2: Convert to fraction form
    196,518.05/270,920.31 = 166,181.66/x
  3. Step 3: Cross multiply
    196,518.05x = 270,920.31 × 166,181.66
  4. Step 4: Simplify right side
    196,518.05x = 45,021,986,843.51
  5. Step 5: Solve for x
    x = 45,021,986,843.51/196,518.05
  6. Step 6: Final answer
    x = 229,098.48

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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.