Home / 111,187.62-166,824.18-66,844.98

Finding the Fourth Proportional to 111,187.62, 166,824.18 and 66,844.98

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Solution

The fourth proportional to 111,187.62, 166,824.18 and 66,844.98 is: 100,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.62 : 166,824.18 = 66,844.98 : x
  2. Step 2: Convert to fraction form
    111,187.62/166,824.18 = 66,844.98/x
  3. Step 3: Cross multiply
    111,187.62x = 166,824.18 × 66,844.98
  4. Step 4: Simplify right side
    111,187.62x = 11,151,358,975.62
  5. Step 5: Solve for x
    x = 11,151,358,975.62/111,187.62
  6. Step 6: Final answer
    x = 100,293.17

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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.