Home / 103,505.08-155,257.60-33,384.38

Finding the Fourth Proportional to 103,505.08, 155,257.60 and 33,384.38

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Solution

The fourth proportional to 103,505.08, 155,257.60 and 33,384.38 is: 50,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,505.08 : 155,257.60 = 33,384.38 : x
  2. Step 2: Convert to fraction form
    103,505.08/155,257.60 = 33,384.38/x
  3. Step 3: Cross multiply
    103,505.08x = 155,257.60 × 33,384.38
  4. Step 4: Simplify right side
    103,505.08x = 5,183,178,716.29
  5. Step 5: Solve for x
    x = 5,183,178,716.29/103,505.08
  6. Step 6: Final answer
    x = 50,076.56

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1.5x scale

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.