Home / 109,474.03-151,143.11-83,933.03

Finding the Fourth Proportional to 109,474.03, 151,143.11 and 83,933.03

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Solution

The fourth proportional to 109,474.03, 151,143.11 and 83,933.03 is: 115,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,474.03 : 151,143.11 = 83,933.03 : x
  2. Step 2: Convert to fraction form
    109,474.03/151,143.11 = 83,933.03/x
  3. Step 3: Cross multiply
    109,474.03x = 151,143.11 × 83,933.03
  4. Step 4: Simplify right side
    109,474.03x = 12,685,899,185.92
  5. Step 5: Solve for x
    x = 12,685,899,185.92/109,474.03
  6. Step 6: Final answer
    x = 115,880.44

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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.