Home / 127,315.44-190,993.82-43,080.80

Finding the Fourth Proportional to 127,315.44, 190,993.82 and 43,080.80

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Solution

The fourth proportional to 127,315.44, 190,993.82 and 43,080.80 is: 64,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315.44 : 190,993.82 = 43,080.80 : x
  2. Step 2: Convert to fraction form
    127,315.44/190,993.82 = 43,080.80/x
  3. Step 3: Cross multiply
    127,315.44x = 190,993.82 × 43,080.80
  4. Step 4: Simplify right side
    127,315.44x = 8,228,165,390.28
  5. Step 5: Solve for x
    x = 8,228,165,390.28/127,315.44
  6. Step 6: Final answer
    x = 64,628.18

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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.