Home / 273,475.10-409,556.55-133,069.70

Finding the Fourth Proportional to 273,475.10, 409,556.55 and 133,069.70

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Solution

The fourth proportional to 273,475.10, 409,556.55 and 133,069.70 is: 199,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,475.10 : 409,556.55 = 133,069.70 : x
  2. Step 2: Convert to fraction form
    273,475.10/409,556.55 = 133,069.70/x
  3. Step 3: Cross multiply
    273,475.10x = 409,556.55 × 133,069.70
  4. Step 4: Simplify right side
    273,475.10x = 54,499,567,241.54
  5. Step 5: Solve for x
    x = 54,499,567,241.54/273,475.10
  6. Step 6: Final answer
    x = 199,285.30

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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.