Home / 127,601.36-190,933.96-106,489.28

Finding the Fourth Proportional to 127,601.36, 190,933.96 and 106,489.28

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Solution

The fourth proportional to 127,601.36, 190,933.96 and 106,489.28 is: 159,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.36 : 190,933.96 = 106,489.28 : x
  2. Step 2: Convert to fraction form
    127,601.36/190,933.96 = 106,489.28/x
  3. Step 3: Cross multiply
    127,601.36x = 190,933.96 × 106,489.28
  4. Step 4: Simplify right side
    127,601.36x = 20,332,419,927.95
  5. Step 5: Solve for x
    x = 20,332,419,927.95/127,601.36
  6. Step 6: Final answer
    x = 159,343.29

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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.