Home / 240,021.82-331,217.87-132,571.07

Finding the Fourth Proportional to 240,021.82, 331,217.87 and 132,571.07

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Solution

The fourth proportional to 240,021.82, 331,217.87 and 132,571.07 is: 182,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,021.82 : 331,217.87 = 132,571.07 : x
  2. Step 2: Convert to fraction form
    240,021.82/331,217.87 = 132,571.07/x
  3. Step 3: Cross multiply
    240,021.82x = 331,217.87 × 132,571.07
  4. Step 4: Simplify right side
    240,021.82x = 43,909,907,429.02
  5. Step 5: Solve for x
    x = 43,909,907,429.02/240,021.82
  6. Step 6: Final answer
    x = 182,941.32

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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.