Home / 179,361.54-268,948.90-66,949.32

Finding the Fourth Proportional to 179,361.54, 268,948.90 and 66,949.32

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Solution

The fourth proportional to 179,361.54, 268,948.90 and 66,949.32 is: 100,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,361.54 : 268,948.90 = 66,949.32 : x
  2. Step 2: Convert to fraction form
    179,361.54/268,948.90 = 66,949.32/x
  3. Step 3: Cross multiply
    179,361.54x = 268,948.90 × 66,949.32
  4. Step 4: Simplify right side
    179,361.54x = 18,005,945,969.75
  5. Step 5: Solve for x
    x = 18,005,945,969.75/179,361.54
  6. Step 6: Final answer
    x = 100,389.11

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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.