Home / 154,494.20-231,525.30-122,958.20

Finding the Fourth Proportional to 154,494.20, 231,525.30 and 122,958.20

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Solution

The fourth proportional to 154,494.20, 231,525.30 and 122,958.20 is: 184,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,494.20 : 231,525.30 = 122,958.20 : x
  2. Step 2: Convert to fraction form
    154,494.20/231,525.30 = 122,958.20/x
  3. Step 3: Cross multiply
    154,494.20x = 231,525.30 × 122,958.20
  4. Step 4: Simplify right side
    154,494.20x = 28,467,934,142.46
  5. Step 5: Solve for x
    x = 28,467,934,142.46/154,494.20
  6. Step 6: Final answer
    x = 184,265.39

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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.