Home / 218,309.34-326,856.66-111,462.54

Finding the Fourth Proportional to 218,309.34, 326,856.66 and 111,462.54

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Solution

The fourth proportional to 218,309.34, 326,856.66 and 111,462.54 is: 166,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,309.34 : 326,856.66 = 111,462.54 : x
  2. Step 2: Convert to fraction form
    218,309.34/326,856.66 = 111,462.54/x
  3. Step 3: Cross multiply
    218,309.34x = 326,856.66 × 111,462.54
  4. Step 4: Simplify right side
    218,309.34x = 36,432,273,539.52
  5. Step 5: Solve for x
    x = 36,432,273,539.52/218,309.34
  6. Step 6: Final answer
    x = 166,883.71

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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.