Home / 214,315.12-321,486.05-56,543.73

Finding the Fourth Proportional to 214,315.12, 321,486.05 and 56,543.73

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Solution

The fourth proportional to 214,315.12, 321,486.05 and 56,543.73 is: 84,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,315.12 : 321,486.05 = 56,543.73 : x
  2. Step 2: Convert to fraction form
    214,315.12/321,486.05 = 56,543.73/x
  3. Step 3: Cross multiply
    214,315.12x = 321,486.05 × 56,543.73
  4. Step 4: Simplify right side
    214,315.12x = 18,178,020,409.97
  5. Step 5: Solve for x
    x = 18,178,020,409.97/214,315.12
  6. Step 6: Final answer
    x = 84,819.12

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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.