Home / 122,343.72-183,533.82-43,451.32

Finding the Fourth Proportional to 122,343.72, 183,533.82 and 43,451.32

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Solution

The fourth proportional to 122,343.72, 183,533.82 and 43,451.32 is: 65,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,343.72 : 183,533.82 = 43,451.32 : x
  2. Step 2: Convert to fraction form
    122,343.72/183,533.82 = 43,451.32/x
  3. Step 3: Cross multiply
    122,343.72x = 183,533.82 × 43,451.32
  4. Step 4: Simplify right side
    122,343.72x = 7,974,786,743.64
  5. Step 5: Solve for x
    x = 7,974,786,743.64/122,343.72
  6. Step 6: Final answer
    x = 65,183.46

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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.