Home / 127,227.70-190,929-44,121.70

Finding the Fourth Proportional to 127,227.70, 190,929 and 44,121.70

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Solution

The fourth proportional to 127,227.70, 190,929 and 44,121.70 is: 66,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227.70 : 190,929 = 44,121.70 : x
  2. Step 2: Convert to fraction form
    127,227.70/190,929 = 44,121.70/x
  3. Step 3: Cross multiply
    127,227.70x = 190,929 × 44,121.70
  4. Step 4: Simplify right side
    127,227.70x = 8,424,112,059.30
  5. Step 5: Solve for x
    x = 8,424,112,059.30/127,227.70
  6. Step 6: Final answer
    x = 66,212.88

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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.