Home / 234,629.78-323,790.75-127,201.50

Finding the Fourth Proportional to 234,629.78, 323,790.75 and 127,201.50

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Solution

The fourth proportional to 234,629.78, 323,790.75 and 127,201.50 is: 175,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,629.78 : 323,790.75 = 127,201.50 : x
  2. Step 2: Convert to fraction form
    234,629.78/323,790.75 = 127,201.50/x
  3. Step 3: Cross multiply
    234,629.78x = 323,790.75 × 127,201.50
  4. Step 4: Simplify right side
    234,629.78x = 41,186,669,086.13
  5. Step 5: Solve for x
    x = 41,186,669,086.13/234,629.78
  6. Step 6: Final answer
    x = 175,538.97

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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.