Home / 303,629.15-454,945.23-103,840.54

Finding the Fourth Proportional to 303,629.15, 454,945.23 and 103,840.54

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Solution

The fourth proportional to 303,629.15, 454,945.23 and 103,840.54 is: 155,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,629.15 : 454,945.23 = 103,840.54 : x
  2. Step 2: Convert to fraction form
    303,629.15/454,945.23 = 103,840.54/x
  3. Step 3: Cross multiply
    303,629.15x = 454,945.23 × 103,840.54
  4. Step 4: Simplify right side
    303,629.15x = 47,241,757,216.26
  5. Step 5: Solve for x
    x = 47,241,757,216.26/303,629.15
  6. Step 6: Final answer
    x = 155,590.32

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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.