Home / 196,517.18-270,919.10-166,180.79

Finding the Fourth Proportional to 196,517.18, 270,919.10 and 166,180.79

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Solution

The fourth proportional to 196,517.18, 270,919.10 and 166,180.79 is: 229,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,517.18 : 270,919.10 = 166,180.79 : x
  2. Step 2: Convert to fraction form
    196,517.18/270,919.10 = 166,180.79/x
  3. Step 3: Cross multiply
    196,517.18x = 270,919.10 × 166,180.79
  4. Step 4: Simplify right side
    196,517.18x = 45,021,547,878.59
  5. Step 5: Solve for x
    x = 45,021,547,878.59/196,517.18
  6. Step 6: Final answer
    x = 229,097.27

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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.