Home / 122,309.35-183,464.03-82,451.28

Finding the Fourth Proportional to 122,309.35, 183,464.03 and 82,451.28

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Solution

The fourth proportional to 122,309.35, 183,464.03 and 82,451.28 is: 123,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,309.35 : 183,464.03 = 82,451.28 : x
  2. Step 2: Convert to fraction form
    122,309.35/183,464.03 = 82,451.28/x
  3. Step 3: Cross multiply
    122,309.35x = 183,464.03 × 82,451.28
  4. Step 4: Simplify right side
    122,309.35x = 15,126,842,777.88
  5. Step 5: Solve for x
    x = 15,126,842,777.88/122,309.35
  6. Step 6: Final answer
    x = 123,676.91

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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.