Home / 232,213.78-320,458.68-130,261.90

Finding the Fourth Proportional to 232,213.78, 320,458.68 and 130,261.90

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Solution

The fourth proportional to 232,213.78, 320,458.68 and 130,261.90 is: 179,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,213.78 : 320,458.68 = 130,261.90 : x
  2. Step 2: Convert to fraction form
    232,213.78/320,458.68 = 130,261.90/x
  3. Step 3: Cross multiply
    232,213.78x = 320,458.68 × 130,261.90
  4. Step 4: Simplify right side
    232,213.78x = 41,743,556,528.29
  5. Step 5: Solve for x
    x = 41,743,556,528.29/232,213.78
  6. Step 6: Final answer
    x = 179,763.48

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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.