Home / 320,705.12-481,197.21-201,036.33

Finding the Fourth Proportional to 320,705.12, 481,197.21 and 201,036.33

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Solution

The fourth proportional to 320,705.12, 481,197.21 and 201,036.33 is: 301,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,705.12 : 481,197.21 = 201,036.33 : x
  2. Step 2: Convert to fraction form
    320,705.12/481,197.21 = 201,036.33/x
  3. Step 3: Cross multiply
    320,705.12x = 481,197.21 × 201,036.33
  4. Step 4: Simplify right side
    320,705.12x = 96,738,120,350.75
  5. Step 5: Solve for x
    x = 96,738,120,350.75/320,705.12
  6. Step 6: Final answer
    x = 301,641.96

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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.