Home / 214,638.25-321,969.22-64,874.77

Finding the Fourth Proportional to 214,638.25, 321,969.22 and 64,874.77

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Solution

The fourth proportional to 214,638.25, 321,969.22 and 64,874.77 is: 97,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,638.25 : 321,969.22 = 64,874.77 : x
  2. Step 2: Convert to fraction form
    214,638.25/321,969.22 = 64,874.77/x
  3. Step 3: Cross multiply
    214,638.25x = 321,969.22 × 64,874.77
  4. Step 4: Simplify right side
    214,638.25x = 20,887,679,094.58
  5. Step 5: Solve for x
    x = 20,887,679,094.58/214,638.25
  6. Step 6: Final answer
    x = 97,315.74

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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.