Home / 214,100.12-295,489.63-123,438.34

Finding the Fourth Proportional to 214,100.12, 295,489.63 and 123,438.34

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Solution

The fourth proportional to 214,100.12, 295,489.63 and 123,438.34 is: 170,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,100.12 : 295,489.63 = 123,438.34 : x
  2. Step 2: Convert to fraction form
    214,100.12/295,489.63 = 123,438.34/x
  3. Step 3: Cross multiply
    214,100.12x = 295,489.63 × 123,438.34
  4. Step 4: Simplify right side
    214,100.12x = 36,474,749,243.73
  5. Step 5: Solve for x
    x = 36,474,749,243.73/214,100.12
  6. Step 6: Final answer
    x = 170,363.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.