Home / 120,160.08-165,825.27-77,718.60

Finding the Fourth Proportional to 120,160.08, 165,825.27 and 77,718.60

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Solution

The fourth proportional to 120,160.08, 165,825.27 and 77,718.60 is: 107,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,160.08 : 165,825.27 = 77,718.60 : x
  2. Step 2: Convert to fraction form
    120,160.08/165,825.27 = 77,718.60/x
  3. Step 3: Cross multiply
    120,160.08x = 165,825.27 × 77,718.60
  4. Step 4: Simplify right side
    120,160.08x = 12,887,707,829.02
  5. Step 5: Solve for x
    x = 12,887,707,829.02/120,160.08
  6. Step 6: Final answer
    x = 107,254.49

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