Home / 369,174.12-509,460.50-199,408.26

Finding the Fourth Proportional to 369,174.12, 509,460.50 and 199,408.26

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Solution

The fourth proportional to 369,174.12, 509,460.50 and 199,408.26 is: 275,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,174.12 : 509,460.50 = 199,408.26 : x
  2. Step 2: Convert to fraction form
    369,174.12/509,460.50 = 199,408.26/x
  3. Step 3: Cross multiply
    369,174.12x = 509,460.50 × 199,408.26
  4. Step 4: Simplify right side
    369,174.12x = 101,590,631,843.73
  5. Step 5: Solve for x
    x = 101,590,631,843.73/369,174.12
  6. Step 6: Final answer
    x = 275,183.51

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1.5x scale

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.