Home / 220,762.44-331,143.69-70,999.45

Finding the Fourth Proportional to 220,762.44, 331,143.69 and 70,999.45

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Solution

The fourth proportional to 220,762.44, 331,143.69 and 70,999.45 is: 106,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,762.44 : 331,143.69 = 70,999.45 : x
  2. Step 2: Convert to fraction form
    220,762.44/331,143.69 = 70,999.45/x
  3. Step 3: Cross multiply
    220,762.44x = 331,143.69 × 70,999.45
  4. Step 4: Simplify right side
    220,762.44x = 23,511,019,860.97
  5. Step 5: Solve for x
    x = 23,511,019,860.97/220,762.44
  6. Step 6: Final answer
    x = 106,499.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.