Home / 180,136.21-270,163.23-67,828.27

Finding the Fourth Proportional to 180,136.21, 270,163.23 and 67,828.27

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Solution

The fourth proportional to 180,136.21, 270,163.23 and 67,828.27 is: 101,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,136.21 : 270,163.23 = 67,828.27 : x
  2. Step 2: Convert to fraction form
    180,136.21/270,163.23 = 67,828.27/x
  3. Step 3: Cross multiply
    180,136.21x = 270,163.23 × 67,828.27
  4. Step 4: Simplify right side
    180,136.21x = 18,324,704,508.51
  5. Step 5: Solve for x
    x = 18,324,704,508.51/180,136.21
  6. Step 6: Final answer
    x = 101,726.93

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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.