Home / 319,668.30-441,199.47-190,615.11

Finding the Fourth Proportional to 319,668.30, 441,199.47 and 190,615.11

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Solution

The fourth proportional to 319,668.30, 441,199.47 and 190,615.11 is: 263,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,668.30 : 441,199.47 = 190,615.11 : x
  2. Step 2: Convert to fraction form
    319,668.30/441,199.47 = 190,615.11/x
  3. Step 3: Cross multiply
    319,668.30x = 441,199.47 × 190,615.11
  4. Step 4: Simplify right side
    319,668.30x = 84,099,285,505.99
  5. Step 5: Solve for x
    x = 84,099,285,505.99/319,668.30
  6. Step 6: Final answer
    x = 263,082.97

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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.