Home / 328,935.33-454,040.22-192,919.65

Finding the Fourth Proportional to 328,935.33, 454,040.22 and 192,919.65

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Solution

The fourth proportional to 328,935.33, 454,040.22 and 192,919.65 is: 266,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,935.33 : 454,040.22 = 192,919.65 : x
  2. Step 2: Convert to fraction form
    328,935.33/454,040.22 = 192,919.65/x
  3. Step 3: Cross multiply
    328,935.33x = 454,040.22 × 192,919.65
  4. Step 4: Simplify right side
    328,935.33x = 87,593,280,328.32
  5. Step 5: Solve for x
    x = 87,593,280,328.32/328,935.33
  6. Step 6: Final answer
    x = 266,293.32

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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.