Home / 127,161.36-190,736.44-38,412.16

Finding the Fourth Proportional to 127,161.36, 190,736.44 and 38,412.16

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Solution

The fourth proportional to 127,161.36, 190,736.44 and 38,412.16 is: 57,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,161.36 : 190,736.44 = 38,412.16 : x
  2. Step 2: Convert to fraction form
    127,161.36/190,736.44 = 38,412.16/x
  3. Step 3: Cross multiply
    127,161.36x = 190,736.44 × 38,412.16
  4. Step 4: Simplify right side
    127,161.36x = 7,326,598,078.24
  5. Step 5: Solve for x
    x = 7,326,598,078.24/127,161.36
  6. Step 6: Final answer
    x = 57,616.54

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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.