Home / 276,700.82-381,902.73-181,172.66

Finding the Fourth Proportional to 276,700.82, 381,902.73 and 181,172.66

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Solution

The fourth proportional to 276,700.82, 381,902.73 and 181,172.66 is: 250,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,700.82 : 381,902.73 = 181,172.66 : x
  2. Step 2: Convert to fraction form
    276,700.82/381,902.73 = 181,172.66/x
  3. Step 3: Cross multiply
    276,700.82x = 381,902.73 × 181,172.66
  4. Step 4: Simplify right side
    276,700.82x = 69,190,333,455.36
  5. Step 5: Solve for x
    x = 69,190,333,455.36/276,700.82
  6. Step 6: Final answer
    x = 250,054.67

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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.