Home / 220,034.84-303,550.38-143,536.32

Finding the Fourth Proportional to 220,034.84, 303,550.38 and 143,536.32

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Solution

The fourth proportional to 220,034.84, 303,550.38 and 143,536.32 is: 198,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,034.84 : 303,550.38 = 143,536.32 : x
  2. Step 2: Convert to fraction form
    220,034.84/303,550.38 = 143,536.32/x
  3. Step 3: Cross multiply
    220,034.84x = 303,550.38 × 143,536.32
  4. Step 4: Simplify right side
    220,034.84x = 43,570,504,479.80
  5. Step 5: Solve for x
    x = 43,570,504,479.80/220,034.84
  6. Step 6: Final answer
    x = 198,016.39

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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.