Home / 262,144.28-393,151.62-112,367.60

Finding the Fourth Proportional to 262,144.28, 393,151.62 and 112,367.60

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Solution

The fourth proportional to 262,144.28, 393,151.62 and 112,367.60 is: 168,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,144.28 : 393,151.62 = 112,367.60 : x
  2. Step 2: Convert to fraction form
    262,144.28/393,151.62 = 112,367.60/x
  3. Step 3: Cross multiply
    262,144.28x = 393,151.62 × 112,367.60
  4. Step 4: Simplify right side
    262,144.28x = 44,177,503,975.51
  5. Step 5: Solve for x
    x = 44,177,503,975.51/262,144.28
  6. Step 6: Final answer
    x = 168,523.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.