Home / 214,823.10-321,743.82-102,581.94

Finding the Fourth Proportional to 214,823.10, 321,743.82 and 102,581.94

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Solution

The fourth proportional to 214,823.10, 321,743.82 and 102,581.94 is: 153,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,823.10 : 321,743.82 = 102,581.94 : x
  2. Step 2: Convert to fraction form
    214,823.10/321,743.82 = 102,581.94/x
  3. Step 3: Cross multiply
    214,823.10x = 321,743.82 × 102,581.94
  4. Step 4: Simplify right side
    214,823.10x = 33,005,105,238.61
  5. Step 5: Solve for x
    x = 33,005,105,238.61/214,823.10
  6. Step 6: Final answer
    x = 153,638.53

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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.