Home / 127,173.20-190,789.77-38,427.44

Finding the Fourth Proportional to 127,173.20, 190,789.77 and 38,427.44

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Solution

The fourth proportional to 127,173.20, 190,789.77 and 38,427.44 is: 57,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,173.20 : 190,789.77 = 38,427.44 : x
  2. Step 2: Convert to fraction form
    127,173.20/190,789.77 = 38,427.44/x
  3. Step 3: Cross multiply
    127,173.20x = 190,789.77 × 38,427.44
  4. Step 4: Simplify right side
    127,173.20x = 7,331,562,439.29
  5. Step 5: Solve for x
    x = 7,331,562,439.29/127,173.20
  6. Step 6: Final answer
    x = 57,650.22

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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.