Home / 167,917.38-231,922.81-111,230.34

Finding the Fourth Proportional to 167,917.38, 231,922.81 and 111,230.34

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Solution

The fourth proportional to 167,917.38, 231,922.81 and 111,230.34 is: 153,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,917.38 : 231,922.81 = 111,230.34 : x
  2. Step 2: Convert to fraction form
    167,917.38/231,922.81 = 111,230.34/x
  3. Step 3: Cross multiply
    167,917.38x = 231,922.81 × 111,230.34
  4. Step 4: Simplify right side
    167,917.38x = 25,796,853,010.06
  5. Step 5: Solve for x
    x = 25,796,853,010.06/167,917.38
  6. Step 6: Final answer
    x = 153,628.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.