Home / 273,441.10-409,505.55-133,035.70

Finding the Fourth Proportional to 273,441.10, 409,505.55 and 133,035.70

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Solution

The fourth proportional to 273,441.10, 409,505.55 and 133,035.70 is: 199,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,441.10 : 409,505.55 = 133,035.70 : x
  2. Step 2: Convert to fraction form
    273,441.10/409,505.55 = 133,035.70/x
  3. Step 3: Cross multiply
    273,441.10x = 409,505.55 × 133,035.70
  4. Step 4: Simplify right side
    273,441.10x = 54,478,857,498.14
  5. Step 5: Solve for x
    x = 54,478,857,498.14/273,441.10
  6. Step 6: Final answer
    x = 199,234.34

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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.