Home / 185,823.48-278,836.74-80,642.28

Finding the Fourth Proportional to 185,823.48, 278,836.74 and 80,642.28

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Solution

The fourth proportional to 185,823.48, 278,836.74 and 80,642.28 is: 121,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,823.48 : 278,836.74 = 80,642.28 : x
  2. Step 2: Convert to fraction form
    185,823.48/278,836.74 = 80,642.28/x
  3. Step 3: Cross multiply
    185,823.48x = 278,836.74 × 80,642.28
  4. Step 4: Simplify right side
    185,823.48x = 22,486,030,461.37
  5. Step 5: Solve for x
    x = 22,486,030,461.37/185,823.48
  6. Step 6: Final answer
    x = 121,007.48

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