Home / 111,251.36-166,858.59-40,160.36

Finding the Fourth Proportional to 111,251.36, 166,858.59 and 40,160.36

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Solution

The fourth proportional to 111,251.36, 166,858.59 and 40,160.36 is: 60,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.36 : 166,858.59 = 40,160.36 : x
  2. Step 2: Convert to fraction form
    111,251.36/166,858.59 = 40,160.36/x
  3. Step 3: Cross multiply
    111,251.36x = 166,858.59 × 40,160.36
  4. Step 4: Simplify right side
    111,251.36x = 6,701,101,460.64
  5. Step 5: Solve for x
    x = 6,701,101,460.64/111,251.36
  6. Step 6: Final answer
    x = 60,233.88

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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.