Home / 300,474.03-414,935.15-193,230.23

Finding the Fourth Proportional to 300,474.03, 414,935.15 and 193,230.23

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Solution

The fourth proportional to 300,474.03, 414,935.15 and 193,230.23 is: 266,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,474.03 : 414,935.15 = 193,230.23 : x
  2. Step 2: Convert to fraction form
    300,474.03/414,935.15 = 193,230.23/x
  3. Step 3: Cross multiply
    300,474.03x = 414,935.15 × 193,230.23
  4. Step 4: Simplify right side
    300,474.03x = 80,178,014,540.77
  5. Step 5: Solve for x
    x = 80,178,014,540.77/300,474.03
  6. Step 6: Final answer
    x = 266,838.42

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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.