Home / 146,290.38-201,880.62-79,222.38

Finding the Fourth Proportional to 146,290.38, 201,880.62 and 79,222.38

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Solution

The fourth proportional to 146,290.38, 201,880.62 and 79,222.38 is: 109,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,290.38 : 201,880.62 = 79,222.38 : x
  2. Step 2: Convert to fraction form
    146,290.38/201,880.62 = 79,222.38/x
  3. Step 3: Cross multiply
    146,290.38x = 201,880.62 × 79,222.38
  4. Step 4: Simplify right side
    146,290.38x = 15,993,463,192.28
  5. Step 5: Solve for x
    x = 15,993,463,192.28/146,290.38
  6. Step 6: Final answer
    x = 109,326.83

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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.