Home / 104,286.34-156,458.67-34,214.86

Finding the Fourth Proportional to 104,286.34, 156,458.67 and 34,214.86

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Solution

The fourth proportional to 104,286.34, 156,458.67 and 34,214.86 is: 51,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,286.34 : 156,458.67 = 34,214.86 : x
  2. Step 2: Convert to fraction form
    104,286.34/156,458.67 = 34,214.86/x
  3. Step 3: Cross multiply
    104,286.34x = 156,458.67 × 34,214.86
  4. Step 4: Simplify right side
    104,286.34x = 5,353,211,489.84
  5. Step 5: Solve for x
    x = 5,353,211,489.84/104,286.34
  6. Step 6: Final answer
    x = 51,331.86

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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.