Home / 261,067.16-391,628.07-111,323.27

Finding the Fourth Proportional to 261,067.16, 391,628.07 and 111,323.27

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Solution

The fourth proportional to 261,067.16, 391,628.07 and 111,323.27 is: 166,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,067.16 : 391,628.07 = 111,323.27 : x
  2. Step 2: Convert to fraction form
    261,067.16/391,628.07 = 111,323.27/x
  3. Step 3: Cross multiply
    261,067.16x = 391,628.07 × 111,323.27
  4. Step 4: Simplify right side
    261,067.16x = 43,597,318,355.26
  5. Step 5: Solve for x
    x = 43,597,318,355.26/261,067.16
  6. Step 6: Final answer
    x = 166,996.56

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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.