Home / 184,193.78-254,222.22-115,315.28

Finding the Fourth Proportional to 184,193.78, 254,222.22 and 115,315.28

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Solution

The fourth proportional to 184,193.78, 254,222.22 and 115,315.28 is: 159,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,193.78 : 254,222.22 = 115,315.28 : x
  2. Step 2: Convert to fraction form
    184,193.78/254,222.22 = 115,315.28/x
  3. Step 3: Cross multiply
    184,193.78x = 254,222.22 × 115,315.28
  4. Step 4: Simplify right side
    184,193.78x = 29,315,706,481.52
  5. Step 5: Solve for x
    x = 29,315,706,481.52/184,193.78
  6. Step 6: Final answer
    x = 159,156.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.