Home / 111,215.67-167,582.43-91,926.33

Finding the Fourth Proportional to 111,215.67, 167,582.43 and 91,926.33

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Solution

The fourth proportional to 111,215.67, 167,582.43 and 91,926.33 is: 138,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,215.67 : 167,582.43 = 91,926.33 : x
  2. Step 2: Convert to fraction form
    111,215.67/167,582.43 = 91,926.33/x
  3. Step 3: Cross multiply
    111,215.67x = 167,582.43 × 91,926.33
  4. Step 4: Simplify right side
    111,215.67x = 15,405,237,302.75
  5. Step 5: Solve for x
    x = 15,405,237,302.75/111,215.67
  6. Step 6: Final answer
    x = 138,516.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.