Home / 196,815.99-270,948.72-187,777.41

Finding the Fourth Proportional to 196,815.99, 270,948.72 and 187,777.41

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Solution

The fourth proportional to 196,815.99, 270,948.72 and 187,777.41 is: 258,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,815.99 : 270,948.72 = 187,777.41 : x
  2. Step 2: Convert to fraction form
    196,815.99/270,948.72 = 187,777.41/x
  3. Step 3: Cross multiply
    196,815.99x = 270,948.72 × 187,777.41
  4. Step 4: Simplify right side
    196,815.99x = 50,878,048,884.42
  5. Step 5: Solve for x
    x = 50,878,048,884.42/196,815.99
  6. Step 6: Final answer
    x = 258,505.67

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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.