Home / 127,136.22-190,733.13-67,940.70

Finding the Fourth Proportional to 127,136.22, 190,733.13 and 67,940.70

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Solution

The fourth proportional to 127,136.22, 190,733.13 and 67,940.70 is: 101,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,136.22 : 190,733.13 = 67,940.70 : x
  2. Step 2: Convert to fraction form
    127,136.22/190,733.13 = 67,940.70/x
  3. Step 3: Cross multiply
    127,136.22x = 190,733.13 × 67,940.70
  4. Step 4: Simplify right side
    127,136.22x = 12,958,542,365.39
  5. Step 5: Solve for x
    x = 12,958,542,365.39/127,136.22
  6. Step 6: Final answer
    x = 101,926.44

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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.