Home / 179,223.40-268,719.90-74,084.20

Finding the Fourth Proportional to 179,223.40, 268,719.90 and 74,084.20

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Solution

The fourth proportional to 179,223.40, 268,719.90 and 74,084.20 is: 111,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,223.40 : 268,719.90 = 74,084.20 : x
  2. Step 2: Convert to fraction form
    179,223.40/268,719.90 = 74,084.20/x
  3. Step 3: Cross multiply
    179,223.40x = 268,719.90 × 74,084.20
  4. Step 4: Simplify right side
    179,223.40x = 19,907,898,815.58
  5. Step 5: Solve for x
    x = 19,907,898,815.58/179,223.40
  6. Step 6: Final answer
    x = 111,078.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.