Home / 99,183.06-148,784.03-28,107.18

Finding the Fourth Proportional to 99,183.06, 148,784.03 and 28,107.18

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Solution

The fourth proportional to 99,183.06, 148,784.03 and 28,107.18 is: 42,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,183.06 : 148,784.03 = 28,107.18 : x
  2. Step 2: Convert to fraction form
    99,183.06/148,784.03 = 28,107.18/x
  3. Step 3: Cross multiply
    99,183.06x = 148,784.03 × 28,107.18
  4. Step 4: Simplify right side
    99,183.06x = 4,181,899,512.34
  5. Step 5: Solve for x
    x = 4,181,899,512.34/99,183.06
  6. Step 6: Final answer
    x = 42,163.45

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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.