Home / 167,645.81-231,436.89-129,319.32

Finding the Fourth Proportional to 167,645.81, 231,436.89 and 129,319.32

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Solution

The fourth proportional to 167,645.81, 231,436.89 and 129,319.32 is: 178,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,645.81 : 231,436.89 = 129,319.32 : x
  2. Step 2: Convert to fraction form
    167,645.81/231,436.89 = 129,319.32/x
  3. Step 3: Cross multiply
    167,645.81x = 231,436.89 × 129,319.32
  4. Step 4: Simplify right side
    167,645.81x = 29,929,261,237.71
  5. Step 5: Solve for x
    x = 29,929,261,237.71/167,645.81
  6. Step 6: Final answer
    x = 178,526.75

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