Home / 135,947.40-187,604.76-75,515.31

Finding the Fourth Proportional to 135,947.40, 187,604.76 and 75,515.31

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Solution

The fourth proportional to 135,947.40, 187,604.76 and 75,515.31 is: 104,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,947.40 : 187,604.76 = 75,515.31 : x
  2. Step 2: Convert to fraction form
    135,947.40/187,604.76 = 75,515.31/x
  3. Step 3: Cross multiply
    135,947.40x = 187,604.76 × 75,515.31
  4. Step 4: Simplify right side
    135,947.40x = 14,167,031,608.88
  5. Step 5: Solve for x
    x = 14,167,031,608.88/135,947.40
  6. Step 6: Final answer
    x = 104,209.65

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