Home / 179,211.38-268,808.16-66,883.01

Finding the Fourth Proportional to 179,211.38, 268,808.16 and 66,883.01

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Solution

The fourth proportional to 179,211.38, 268,808.16 and 66,883.01 is: 100,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,211.38 : 268,808.16 = 66,883.01 : x
  2. Step 2: Convert to fraction form
    179,211.38/268,808.16 = 66,883.01/x
  3. Step 3: Cross multiply
    179,211.38x = 268,808.16 × 66,883.01
  4. Step 4: Simplify right side
    179,211.38x = 17,978,698,350.14
  5. Step 5: Solve for x
    x = 17,978,698,350.14/179,211.38
  6. Step 6: Final answer
    x = 100,321.19

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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.