Home / 112,020.60-168,225.30-108,521.40

Finding the Fourth Proportional to 112,020.60, 168,225.30 and 108,521.40

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Solution

The fourth proportional to 112,020.60, 168,225.30 and 108,521.40 is: 162,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.60 : 168,225.30 = 108,521.40 : x
  2. Step 2: Convert to fraction form
    112,020.60/168,225.30 = 108,521.40/x
  3. Step 3: Cross multiply
    112,020.60x = 168,225.30 × 108,521.40
  4. Step 4: Simplify right side
    112,020.60x = 18,256,045,071.42
  5. Step 5: Solve for x
    x = 18,256,045,071.42/112,020.60
  6. Step 6: Final answer
    x = 162,970.43

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