Home / 328,880.20-453,806.04-192,862.84

Finding the Fourth Proportional to 328,880.20, 453,806.04 and 192,862.84

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Solution

The fourth proportional to 328,880.20, 453,806.04 and 192,862.84 is: 266,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,880.20 : 453,806.04 = 192,862.84 : x
  2. Step 2: Convert to fraction form
    328,880.20/453,806.04 = 192,862.84/x
  3. Step 3: Cross multiply
    328,880.20x = 453,806.04 × 192,862.84
  4. Step 4: Simplify right side
    328,880.20x = 87,522,321,683.55
  5. Step 5: Solve for x
    x = 87,522,321,683.55/328,880.20
  6. Step 6: Final answer
    x = 266,122.20

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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.