Home / 321,260.58-443,275.74-193,943.16

Finding the Fourth Proportional to 321,260.58, 443,275.74 and 193,943.16

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Solution

The fourth proportional to 321,260.58, 443,275.74 and 193,943.16 is: 267,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,260.58 : 443,275.74 = 193,943.16 : x
  2. Step 2: Convert to fraction form
    321,260.58/443,275.74 = 193,943.16/x
  3. Step 3: Cross multiply
    321,260.58x = 443,275.74 × 193,943.16
  4. Step 4: Simplify right side
    321,260.58x = 85,970,297,766.94
  5. Step 5: Solve for x
    x = 85,970,297,766.94/321,260.58
  6. Step 6: Final answer
    x = 267,603.01

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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.