Home / 214,622.54-321,939.90-56,851.02

Finding the Fourth Proportional to 214,622.54, 321,939.90 and 56,851.02

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Solution

The fourth proportional to 214,622.54, 321,939.90 and 56,851.02 is: 85,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,622.54 : 321,939.90 = 56,851.02 : x
  2. Step 2: Convert to fraction form
    214,622.54/321,939.90 = 56,851.02/x
  3. Step 3: Cross multiply
    214,622.54x = 321,939.90 × 56,851.02
  4. Step 4: Simplify right side
    214,622.54x = 18,302,611,693.70
  5. Step 5: Solve for x
    x = 18,302,611,693.70/214,622.54
  6. Step 6: Final answer
    x = 85,278.14

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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.