Home / 144,021.49-198,749.53-80,359.28

Finding the Fourth Proportional to 144,021.49, 198,749.53 and 80,359.28

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Solution

The fourth proportional to 144,021.49, 198,749.53 and 80,359.28 is: 110,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,021.49 : 198,749.53 = 80,359.28 : x
  2. Step 2: Convert to fraction form
    144,021.49/198,749.53 = 80,359.28/x
  3. Step 3: Cross multiply
    144,021.49x = 198,749.53 × 80,359.28
  4. Step 4: Simplify right side
    144,021.49x = 15,971,369,427.11
  5. Step 5: Solve for x
    x = 15,971,369,427.11/144,021.49
  6. Step 6: Final answer
    x = 110,895.74

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