Home / 220,287.96-303,987.06-124,795.44

Finding the Fourth Proportional to 220,287.96, 303,987.06 and 124,795.44

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Solution

The fourth proportional to 220,287.96, 303,987.06 and 124,795.44 is: 172,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,287.96 : 303,987.06 = 124,795.44 : x
  2. Step 2: Convert to fraction form
    220,287.96/303,987.06 = 124,795.44/x
  3. Step 3: Cross multiply
    220,287.96x = 303,987.06 × 124,795.44
  4. Step 4: Simplify right side
    220,287.96x = 37,936,198,907.01
  5. Step 5: Solve for x
    x = 37,936,198,907.01/220,287.96
  6. Step 6: Final answer
    x = 172,211.86

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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.