Home / 261,961.43-392,613.41-112,025.42

Finding the Fourth Proportional to 261,961.43, 392,613.41 and 112,025.42

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Solution

The fourth proportional to 261,961.43, 392,613.41 and 112,025.42 is: 167,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,961.43 : 392,613.41 = 112,025.42 : x
  2. Step 2: Convert to fraction form
    261,961.43/392,613.41 = 112,025.42/x
  3. Step 3: Cross multiply
    261,961.43x = 392,613.41 × 112,025.42
  4. Step 4: Simplify right side
    261,961.43x = 43,982,683,414.48
  5. Step 5: Solve for x
    x = 43,982,683,414.48/261,961.43
  6. Step 6: Final answer
    x = 167,897.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.