Home / 214,295.16-321,620.10-107,709.67

Finding the Fourth Proportional to 214,295.16, 321,620.10 and 107,709.67

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Solution

The fourth proportional to 214,295.16, 321,620.10 and 107,709.67 is: 161,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,295.16 : 321,620.10 = 107,709.67 : x
  2. Step 2: Convert to fraction form
    214,295.16/321,620.10 = 107,709.67/x
  3. Step 3: Cross multiply
    214,295.16x = 321,620.10 × 107,709.67
  4. Step 4: Simplify right side
    214,295.16x = 34,641,594,836.37
  5. Step 5: Solve for x
    x = 34,641,594,836.37/214,295.16
  6. Step 6: Final answer
    x = 161,653.65

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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.