Home / 232,021.44-320,216.09-130,074.39

Finding the Fourth Proportional to 232,021.44, 320,216.09 and 130,074.39

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Solution

The fourth proportional to 232,021.44, 320,216.09 and 130,074.39 is: 179,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,021.44 : 320,216.09 = 130,074.39 : x
  2. Step 2: Convert to fraction form
    232,021.44/320,216.09 = 130,074.39/x
  3. Step 3: Cross multiply
    232,021.44x = 320,216.09 × 130,074.39
  4. Step 4: Simplify right side
    232,021.44x = 41,651,911,924.56
  5. Step 5: Solve for x
    x = 41,651,911,924.56/232,021.44
  6. Step 6: Final answer
    x = 179,517.51

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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.