Home / 214,637.54-321,968.15-64,874.05

Finding the Fourth Proportional to 214,637.54, 321,968.15 and 64,874.05

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Solution

The fourth proportional to 214,637.54, 321,968.15 and 64,874.05 is: 97,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,637.54 : 321,968.15 = 64,874.05 : x
  2. Step 2: Convert to fraction form
    214,637.54/321,968.15 = 64,874.05/x
  3. Step 3: Cross multiply
    214,637.54x = 321,968.15 × 64,874.05
  4. Step 4: Simplify right side
    214,637.54x = 20,887,376,975.49
  5. Step 5: Solve for x
    x = 20,887,376,975.49/214,637.54
  6. Step 6: Final answer
    x = 97,314.65

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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.