Home / 321,975.08-483,067.56-161,968.44

Finding the Fourth Proportional to 321,975.08, 483,067.56 and 161,968.44

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Solution

The fourth proportional to 321,975.08, 483,067.56 and 161,968.44 is: 243,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,975.08 : 483,067.56 = 161,968.44 : x
  2. Step 2: Convert to fraction form
    321,975.08/483,067.56 = 161,968.44/x
  3. Step 3: Cross multiply
    321,975.08x = 483,067.56 × 161,968.44
  4. Step 4: Simplify right side
    321,975.08x = 78,241,698,300.45
  5. Step 5: Solve for x
    x = 78,241,698,300.45/321,975.08
  6. Step 6: Final answer
    x = 243,005.45

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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.