Home / 228,940.38-343,354.59-178,896.36

Finding the Fourth Proportional to 228,940.38, 343,354.59 and 178,896.36

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Solution

The fourth proportional to 228,940.38, 343,354.59 and 178,896.36 is: 268,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,940.38 : 343,354.59 = 178,896.36 : x
  2. Step 2: Convert to fraction form
    228,940.38/343,354.59 = 178,896.36/x
  3. Step 3: Cross multiply
    228,940.38x = 343,354.59 × 178,896.36
  4. Step 4: Simplify right side
    228,940.38x = 61,424,886,340.29
  5. Step 5: Solve for x
    x = 61,424,886,340.29/228,940.38
  6. Step 6: Final answer
    x = 268,300.80

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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.