Home / 263,987.07-364,280.39-149,277.44

Finding the Fourth Proportional to 263,987.07, 364,280.39 and 149,277.44

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Solution

The fourth proportional to 263,987.07, 364,280.39 and 149,277.44 is: 205,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,987.07 : 364,280.39 = 149,277.44 : x
  2. Step 2: Convert to fraction form
    263,987.07/364,280.39 = 149,277.44/x
  3. Step 3: Cross multiply
    263,987.07x = 364,280.39 × 149,277.44
  4. Step 4: Simplify right side
    263,987.07x = 54,378,845,297.78
  5. Step 5: Solve for x
    x = 54,378,845,297.78/263,987.07
  6. Step 6: Final answer
    x = 205,990.56

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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.