Home / 123,120.63-184,705.25-38,893.80

Finding the Fourth Proportional to 123,120.63, 184,705.25 and 38,893.80

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Solution

The fourth proportional to 123,120.63, 184,705.25 and 38,893.80 is: 58,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,120.63 : 184,705.25 = 38,893.80 : x
  2. Step 2: Convert to fraction form
    123,120.63/184,705.25 = 38,893.80/x
  3. Step 3: Cross multiply
    123,120.63x = 184,705.25 × 38,893.80
  4. Step 4: Simplify right side
    123,120.63x = 7,183,889,052.45
  5. Step 5: Solve for x
    x = 7,183,889,052.45/123,120.63
  6. Step 6: Final answer
    x = 58,348.38

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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.