Home / 449,513.18-674,535.77-165,403.23

Finding the Fourth Proportional to 449,513.18, 674,535.77 and 165,403.23

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Solution

The fourth proportional to 449,513.18, 674,535.77 and 165,403.23 is: 248,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,513.18 : 674,535.77 = 165,403.23 : x
  2. Step 2: Convert to fraction form
    449,513.18/674,535.77 = 165,403.23/x
  3. Step 3: Cross multiply
    449,513.18x = 674,535.77 × 165,403.23
  4. Step 4: Simplify right side
    449,513.18x = 111,570,395,108.54
  5. Step 5: Solve for x
    x = 111,570,395,108.54/449,513.18
  6. Step 6: Final answer
    x = 248,202.72

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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.