Home / 214,484.12-321,734.60-64,724.44

Finding the Fourth Proportional to 214,484.12, 321,734.60 and 64,724.44

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Solution

The fourth proportional to 214,484.12, 321,734.60 and 64,724.44 is: 97,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,484.12 : 321,734.60 = 64,724.44 : x
  2. Step 2: Convert to fraction form
    214,484.12/321,734.60 = 64,724.44/x
  3. Step 3: Cross multiply
    214,484.12x = 321,734.60 × 64,724.44
  4. Step 4: Simplify right side
    214,484.12x = 20,824,091,813.62
  5. Step 5: Solve for x
    x = 20,824,091,813.62/214,484.12
  6. Step 6: Final answer
    x = 97,089.20

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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.