Home / 214,231.05-321,391.50-64,482.30

Finding the Fourth Proportional to 214,231.05, 321,391.50 and 64,482.30

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Solution

The fourth proportional to 214,231.05, 321,391.50 and 64,482.30 is: 96,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,231.05 : 321,391.50 = 64,482.30 : x
  2. Step 2: Convert to fraction form
    214,231.05/321,391.50 = 64,482.30/x
  3. Step 3: Cross multiply
    214,231.05x = 321,391.50 × 64,482.30
  4. Step 4: Simplify right side
    214,231.05x = 20,724,063,120.45
  5. Step 5: Solve for x
    x = 20,724,063,120.45/214,231.05
  6. Step 6: Final answer
    x = 96,736.97

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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.