Home / 111,268.67-166,945.66-66,926.84

Finding the Fourth Proportional to 111,268.67, 166,945.66 and 66,926.84

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Solution

The fourth proportional to 111,268.67, 166,945.66 and 66,926.84 is: 100,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,268.67 : 166,945.66 = 66,926.84 : x
  2. Step 2: Convert to fraction form
    111,268.67/166,945.66 = 66,926.84/x
  3. Step 3: Cross multiply
    111,268.67x = 166,945.66 × 66,926.84
  4. Step 4: Simplify right side
    111,268.67x = 11,173,144,473.47
  5. Step 5: Solve for x
    x = 11,173,144,473.47/111,268.67
  6. Step 6: Final answer
    x = 100,415.91

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1.5x scale

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.