Home / 122,810.88-184,219.44-91,842.72

Finding the Fourth Proportional to 122,810.88, 184,219.44 and 91,842.72

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Solution

The fourth proportional to 122,810.88, 184,219.44 and 91,842.72 is: 137,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,810.88 : 184,219.44 = 91,842.72 : x
  2. Step 2: Convert to fraction form
    122,810.88/184,219.44 = 91,842.72/x
  3. Step 3: Cross multiply
    122,810.88x = 184,219.44 × 91,842.72
  4. Step 4: Simplify right side
    122,810.88x = 16,919,214,446.48
  5. Step 5: Solve for x
    x = 16,919,214,446.48/122,810.88
  6. Step 6: Final answer
    x = 137,766.41

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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.