Home / 170,049.20-254,855.10-103,418.60

Finding the Fourth Proportional to 170,049.20, 254,855.10 and 103,418.60

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Solution

The fourth proportional to 170,049.20, 254,855.10 and 103,418.60 is: 154,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,049.20 : 254,855.10 = 103,418.60 : x
  2. Step 2: Convert to fraction form
    170,049.20/254,855.10 = 103,418.60/x
  3. Step 3: Cross multiply
    170,049.20x = 254,855.10 × 103,418.60
  4. Step 4: Simplify right side
    170,049.20x = 26,356,757,644.86
  5. Step 5: Solve for x
    x = 26,356,757,644.86/170,049.20
  6. Step 6: Final answer
    x = 154,994.89

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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.