Home / 214,096.80-321,145.20-134,954.40

Finding the Fourth Proportional to 214,096.80, 321,145.20 and 134,954.40

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Solution

The fourth proportional to 214,096.80, 321,145.20 and 134,954.40 is: 202,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,096.80 : 321,145.20 = 134,954.40 : x
  2. Step 2: Convert to fraction form
    214,096.80/321,145.20 = 134,954.40/x
  3. Step 3: Cross multiply
    214,096.80x = 321,145.20 × 134,954.40
  4. Step 4: Simplify right side
    214,096.80x = 43,339,957,778.88
  5. Step 5: Solve for x
    x = 43,339,957,778.88/214,096.80
  6. Step 6: Final answer
    x = 202,431.60

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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.