Home / 489,178.41-733,769.78-134,196.45

Finding the Fourth Proportional to 489,178.41, 733,769.78 and 134,196.45

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Solution

The fourth proportional to 489,178.41, 733,769.78 and 134,196.45 is: 201,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,178.41 : 733,769.78 = 134,196.45 : x
  2. Step 2: Convert to fraction form
    489,178.41/733,769.78 = 134,196.45/x
  3. Step 3: Cross multiply
    489,178.41x = 733,769.78 × 134,196.45
  4. Step 4: Simplify right side
    489,178.41x = 98,469,298,922.30
  5. Step 5: Solve for x
    x = 98,469,298,922.30/489,178.41
  6. Step 6: Final answer
    x = 201,295.27

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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.