Home / 214,451.10-321,678.96-64,692.68

Finding the Fourth Proportional to 214,451.10, 321,678.96 and 64,692.68

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Solution

The fourth proportional to 214,451.10, 321,678.96 and 64,692.68 is: 97,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,451.10 : 321,678.96 = 64,692.68 : x
  2. Step 2: Convert to fraction form
    214,451.10/321,678.96 = 64,692.68/x
  3. Step 3: Cross multiply
    214,451.10x = 321,678.96 × 64,692.68
  4. Step 4: Simplify right side
    214,451.10x = 20,810,272,413.62
  5. Step 5: Solve for x
    x = 20,810,272,413.62/214,451.10
  6. Step 6: Final answer
    x = 97,039.71

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1.5x scale

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.