Home / 190,904.60-286,356.90-112,172.60

Finding the Fourth Proportional to 190,904.60, 286,356.90 and 112,172.60

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Solution

The fourth proportional to 190,904.60, 286,356.90 and 112,172.60 is: 168,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.60 : 286,356.90 = 112,172.60 : x
  2. Step 2: Convert to fraction form
    190,904.60/286,356.90 = 112,172.60/x
  3. Step 3: Cross multiply
    190,904.60x = 286,356.90 × 112,172.60
  4. Step 4: Simplify right side
    190,904.60x = 32,121,398,000.94
  5. Step 5: Solve for x
    x = 32,121,398,000.94/190,904.60
  6. Step 6: Final answer
    x = 168,258.90

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