Home / 122,731.97-184,100.24-38,490.28

Finding the Fourth Proportional to 122,731.97, 184,100.24 and 38,490.28

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Solution

The fourth proportional to 122,731.97, 184,100.24 and 38,490.28 is: 57,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,731.97 : 184,100.24 = 38,490.28 : x
  2. Step 2: Convert to fraction form
    122,731.97/184,100.24 = 38,490.28/x
  3. Step 3: Cross multiply
    122,731.97x = 184,100.24 × 38,490.28
  4. Step 4: Simplify right side
    122,731.97x = 7,086,069,421.64
  5. Step 5: Solve for x
    x = 7,086,069,421.64/122,731.97
  6. Step 6: Final answer
    x = 57,736.14

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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.