Home / 214,200.96-321,276.96-56,441.76

Finding the Fourth Proportional to 214,200.96, 321,276.96 and 56,441.76

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Solution

The fourth proportional to 214,200.96, 321,276.96 and 56,441.76 is: 84,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,200.96 : 321,276.96 = 56,441.76 : x
  2. Step 2: Convert to fraction form
    214,200.96/321,276.96 = 56,441.76/x
  3. Step 3: Cross multiply
    214,200.96x = 321,276.96 × 56,441.76
  4. Step 4: Simplify right side
    214,200.96x = 18,133,437,069.85
  5. Step 5: Solve for x
    x = 18,133,437,069.85/214,200.96
  6. Step 6: Final answer
    x = 84,656.19

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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.