Home / 321,274.56-443,370.33-193,925.28

Finding the Fourth Proportional to 321,274.56, 443,370.33 and 193,925.28

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Solution

The fourth proportional to 321,274.56, 443,370.33 and 193,925.28 is: 267,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,274.56 : 443,370.33 = 193,925.28 : x
  2. Step 2: Convert to fraction form
    321,274.56/443,370.33 = 193,925.28/x
  3. Step 3: Cross multiply
    321,274.56x = 443,370.33 × 193,925.28
  4. Step 4: Simplify right side
    321,274.56x = 85,980,715,388.94
  5. Step 5: Solve for x
    x = 85,980,715,388.94/321,274.56
  6. Step 6: Final answer
    x = 267,623.79

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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.