Home / 103,270.14-154,912.23-33,145.20

Finding the Fourth Proportional to 103,270.14, 154,912.23 and 33,145.20

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Solution

The fourth proportional to 103,270.14, 154,912.23 and 33,145.20 is: 49,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,270.14 : 154,912.23 = 33,145.20 : x
  2. Step 2: Convert to fraction form
    103,270.14/154,912.23 = 33,145.20/x
  3. Step 3: Cross multiply
    103,270.14x = 154,912.23 × 33,145.20
  4. Step 4: Simplify right side
    103,270.14x = 5,134,596,845.80
  5. Step 5: Solve for x
    x = 5,134,596,845.80/103,270.14
  6. Step 6: Final answer
    x = 49,720.05

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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.