Home / 268,627.26-402,942.71-127,959.42

Finding the Fourth Proportional to 268,627.26, 402,942.71 and 127,959.42

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Solution

The fourth proportional to 268,627.26, 402,942.71 and 127,959.42 is: 191,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,627.26 : 402,942.71 = 127,959.42 : x
  2. Step 2: Convert to fraction form
    268,627.26/402,942.71 = 127,959.42/x
  3. Step 3: Cross multiply
    268,627.26x = 402,942.71 × 127,959.42
  4. Step 4: Simplify right side
    268,627.26x = 51,560,315,784.73
  5. Step 5: Solve for x
    x = 51,560,315,784.73/268,627.26
  6. Step 6: Final answer
    x = 191,940.00

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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.