Home / 127,786.88-191,706.24-44,739.20

Finding the Fourth Proportional to 127,786.88, 191,706.24 and 44,739.20

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Solution

The fourth proportional to 127,786.88, 191,706.24 and 44,739.20 is: 67,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,786.88 : 191,706.24 = 44,739.20 : x
  2. Step 2: Convert to fraction form
    127,786.88/191,706.24 = 44,739.20/x
  3. Step 3: Cross multiply
    127,786.88x = 191,706.24 × 44,739.20
  4. Step 4: Simplify right side
    127,786.88x = 8,576,783,812.61
  5. Step 5: Solve for x
    x = 8,576,783,812.61/127,786.88
  6. Step 6: Final answer
    x = 67,117.87

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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.