Home / 175,712.40-263,568.60-87,138.90

Finding the Fourth Proportional to 175,712.40, 263,568.60 and 87,138.90

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Solution

The fourth proportional to 175,712.40, 263,568.60 and 87,138.90 is: 130,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,712.40 : 263,568.60 = 87,138.90 : x
  2. Step 2: Convert to fraction form
    175,712.40/263,568.60 = 87,138.90/x
  3. Step 3: Cross multiply
    175,712.40x = 263,568.60 × 87,138.90
  4. Step 4: Simplify right side
    175,712.40x = 22,967,077,878.54
  5. Step 5: Solve for x
    x = 22,967,077,878.54/175,712.40
  6. Step 6: Final answer
    x = 130,708.35

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