Home / 220,198.27-303,855.06-122,084.13

Finding the Fourth Proportional to 220,198.27, 303,855.06 and 122,084.13

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Solution

The fourth proportional to 220,198.27, 303,855.06 and 122,084.13 is: 168,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,198.27 : 303,855.06 = 122,084.13 : x
  2. Step 2: Convert to fraction form
    220,198.27/303,855.06 = 122,084.13/x
  3. Step 3: Cross multiply
    220,198.27x = 303,855.06 × 122,084.13
  4. Step 4: Simplify right side
    220,198.27x = 37,095,880,646.20
  5. Step 5: Solve for x
    x = 37,095,880,646.20/220,198.27
  6. Step 6: Final answer
    x = 168,465.81

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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.