Home / 220,481.58-304,255.38-124,994.73

Finding the Fourth Proportional to 220,481.58, 304,255.38 and 124,994.73

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Solution

The fourth proportional to 220,481.58, 304,255.38 and 124,994.73 is: 172,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,481.58 : 304,255.38 = 124,994.73 : x
  2. Step 2: Convert to fraction form
    220,481.58/304,255.38 = 124,994.73/x
  3. Step 3: Cross multiply
    220,481.58x = 304,255.38 × 124,994.73
  4. Step 4: Simplify right side
    220,481.58x = 38,030,319,074.15
  5. Step 5: Solve for x
    x = 38,030,319,074.15/220,481.58
  6. Step 6: Final answer
    x = 172,487.51

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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.