Home / 108,187.22-162,280.89-70,778.72

Finding the Fourth Proportional to 108,187.22, 162,280.89 and 70,778.72

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Solution

The fourth proportional to 108,187.22, 162,280.89 and 70,778.72 is: 106,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,187.22 : 162,280.89 = 70,778.72 : x
  2. Step 2: Convert to fraction form
    108,187.22/162,280.89 = 70,778.72/x
  3. Step 3: Cross multiply
    108,187.22x = 162,280.89 × 70,778.72
  4. Step 4: Simplify right side
    108,187.22x = 11,486,033,674.66
  5. Step 5: Solve for x
    x = 11,486,033,674.66/108,187.22
  6. Step 6: Final answer
    x = 106,168.12

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