Home / 214,609.55-321,288.08-160,812.70

Finding the Fourth Proportional to 214,609.55, 321,288.08 and 160,812.70

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Solution

The fourth proportional to 214,609.55, 321,288.08 and 160,812.70 is: 240,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,609.55 : 321,288.08 = 160,812.70 : x
  2. Step 2: Convert to fraction form
    214,609.55/321,288.08 = 160,812.70/x
  3. Step 3: Cross multiply
    214,609.55x = 321,288.08 × 160,812.70
  4. Step 4: Simplify right side
    214,609.55x = 51,667,202,015.33
  5. Step 5: Solve for x
    x = 51,667,202,015.33/214,609.55
  6. Step 6: Final answer
    x = 240,749.79

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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.