Home / 122,780.82-184,170.54-31,596.15

Finding the Fourth Proportional to 122,780.82, 184,170.54 and 31,596.15

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Solution

The fourth proportional to 122,780.82, 184,170.54 and 31,596.15 is: 47,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,780.82 : 184,170.54 = 31,596.15 : x
  2. Step 2: Convert to fraction form
    122,780.82/184,170.54 = 31,596.15/x
  3. Step 3: Cross multiply
    122,780.82x = 184,170.54 × 31,596.15
  4. Step 4: Simplify right side
    122,780.82x = 5,819,080,007.42
  5. Step 5: Solve for x
    x = 5,819,080,007.42/122,780.82
  6. Step 6: Final answer
    x = 47,394.05

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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.