Home / 122,781.32-184,171.29-31,596.65

Finding the Fourth Proportional to 122,781.32, 184,171.29 and 31,596.65

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Solution

The fourth proportional to 122,781.32, 184,171.29 and 31,596.65 is: 47,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,781.32 : 184,171.29 = 31,596.65 : x
  2. Step 2: Convert to fraction form
    122,781.32/184,171.29 = 31,596.65/x
  3. Step 3: Cross multiply
    122,781.32x = 184,171.29 × 31,596.65
  4. Step 4: Simplify right side
    122,781.32x = 5,819,194,869.32
  5. Step 5: Solve for x
    x = 5,819,194,869.32/122,781.32
  6. Step 6: Final answer
    x = 47,394.79

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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.