Home / 127,227.40-190,768.20-38,467.60

Finding the Fourth Proportional to 127,227.40, 190,768.20 and 38,467.60

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Solution

The fourth proportional to 127,227.40, 190,768.20 and 38,467.60 is: 57,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227.40 : 190,768.20 = 38,467.60 : x
  2. Step 2: Convert to fraction form
    127,227.40/190,768.20 = 38,467.60/x
  3. Step 3: Cross multiply
    127,227.40x = 190,768.20 × 38,467.60
  4. Step 4: Simplify right side
    127,227.40x = 7,338,394,810.32
  5. Step 5: Solve for x
    x = 7,338,394,810.32/127,227.40
  6. Step 6: Final answer
    x = 57,679.36

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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.