Home / 196,181.72-270,812.14-132,605.64

Finding the Fourth Proportional to 196,181.72, 270,812.14 and 132,605.64

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Solution

The fourth proportional to 196,181.72, 270,812.14 and 132,605.64 is: 183,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,181.72 : 270,812.14 = 132,605.64 : x
  2. Step 2: Convert to fraction form
    196,181.72/270,812.14 = 132,605.64/x
  3. Step 3: Cross multiply
    196,181.72x = 270,812.14 × 132,605.64
  4. Step 4: Simplify right side
    196,181.72x = 35,911,217,144.47
  5. Step 5: Solve for x
    x = 35,911,217,144.47/196,181.72
  6. Step 6: Final answer
    x = 183,050.78

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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.