Home / 146,509.28-202,182.92-79,441.28

Finding the Fourth Proportional to 146,509.28, 202,182.92 and 79,441.28

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Solution

The fourth proportional to 146,509.28, 202,182.92 and 79,441.28 is: 109,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,509.28 : 202,182.92 = 79,441.28 : x
  2. Step 2: Convert to fraction form
    146,509.28/202,182.92 = 79,441.28/x
  3. Step 3: Cross multiply
    146,509.28x = 202,182.92 × 79,441.28
  4. Step 4: Simplify right side
    146,509.28x = 16,061,669,958.94
  5. Step 5: Solve for x
    x = 16,061,669,958.94/146,509.28
  6. Step 6: Final answer
    x = 109,629.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.