Home / 214,336.55-321,439.16-148,201.67

Finding the Fourth Proportional to 214,336.55, 321,439.16 and 148,201.67

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Solution

The fourth proportional to 214,336.55, 321,439.16 and 148,201.67 is: 222,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,336.55 : 321,439.16 = 148,201.67 : x
  2. Step 2: Convert to fraction form
    214,336.55/321,439.16 = 148,201.67/x
  3. Step 3: Cross multiply
    214,336.55x = 321,439.16 × 148,201.67
  4. Step 4: Simplify right side
    214,336.55x = 47,637,818,708.20
  5. Step 5: Solve for x
    x = 47,637,818,708.20/214,336.55
  6. Step 6: Final answer
    x = 222,257.10

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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.