Home / 127,821.41-191,759.78-48,935.63

Finding the Fourth Proportional to 127,821.41, 191,759.78 and 48,935.63

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Solution

The fourth proportional to 127,821.41, 191,759.78 and 48,935.63 is: 73,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,821.41 : 191,759.78 = 48,935.63 : x
  2. Step 2: Convert to fraction form
    127,821.41/191,759.78 = 48,935.63/x
  3. Step 3: Cross multiply
    127,821.41x = 191,759.78 × 48,935.63
  4. Step 4: Simplify right side
    127,821.41x = 9,383,884,439.48
  5. Step 5: Solve for x
    x = 9,383,884,439.48/127,821.41
  6. Step 6: Final answer
    x = 73,414.03

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1.5x scale

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.