Home / 268,021.73-369,867.40-147,161.97

Finding the Fourth Proportional to 268,021.73, 369,867.40 and 147,161.97

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Solution

The fourth proportional to 268,021.73, 369,867.40 and 147,161.97 is: 203,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,021.73 : 369,867.40 = 147,161.97 : x
  2. Step 2: Convert to fraction form
    268,021.73/369,867.40 = 147,161.97/x
  3. Step 3: Cross multiply
    268,021.73x = 369,867.40 × 147,161.97
  4. Step 4: Simplify right side
    268,021.73x = 54,430,415,222.78
  5. Step 5: Solve for x
    x = 54,430,415,222.78/268,021.73
  6. Step 6: Final answer
    x = 203,082.10

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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.