Home / 135,807.30-202,907.03-131,156.28

Finding the Fourth Proportional to 135,807.30, 202,907.03 and 131,156.28

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Solution

The fourth proportional to 135,807.30, 202,907.03 and 131,156.28 is: 195,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,807.30 : 202,907.03 = 131,156.28 : x
  2. Step 2: Convert to fraction form
    135,807.30/202,907.03 = 131,156.28/x
  3. Step 3: Cross multiply
    135,807.30x = 202,907.03 × 131,156.28
  4. Step 4: Simplify right side
    135,807.30x = 26,612,530,584.87
  5. Step 5: Solve for x
    x = 26,612,530,584.87/135,807.30
  6. Step 6: Final answer
    x = 195,958.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.