Home / 268,120.37-401,568.06-127,977.41

Finding the Fourth Proportional to 268,120.37, 401,568.06 and 127,977.41

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Solution

The fourth proportional to 268,120.37, 401,568.06 and 127,977.41 is: 191,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,120.37 : 401,568.06 = 127,977.41 : x
  2. Step 2: Convert to fraction form
    268,120.37/401,568.06 = 127,977.41/x
  3. Step 3: Cross multiply
    268,120.37x = 401,568.06 × 127,977.41
  4. Step 4: Simplify right side
    268,120.37x = 51,391,640,257.52
  5. Step 5: Solve for x
    x = 51,391,640,257.52/268,120.37
  6. Step 6: Final answer
    x = 191,673.76

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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.