Home / 383,968.06-576,020.45-131,276.64

Finding the Fourth Proportional to 383,968.06, 576,020.45 and 131,276.64

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Solution

The fourth proportional to 383,968.06, 576,020.45 and 131,276.64 is: 196,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,968.06 : 576,020.45 = 131,276.64 : x
  2. Step 2: Convert to fraction form
    383,968.06/576,020.45 = 131,276.64/x
  3. Step 3: Cross multiply
    383,968.06x = 576,020.45 × 131,276.64
  4. Step 4: Simplify right side
    383,968.06x = 75,618,029,247.29
  5. Step 5: Solve for x
    x = 75,618,029,247.29/383,968.06
  6. Step 6: Final answer
    x = 196,938.33

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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.