Home / 276,193.77-381,090.26-161,450.23

Finding the Fourth Proportional to 276,193.77, 381,090.26 and 161,450.23

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Solution

The fourth proportional to 276,193.77, 381,090.26 and 161,450.23 is: 222,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,193.77 : 381,090.26 = 161,450.23 : x
  2. Step 2: Convert to fraction form
    276,193.77/381,090.26 = 161,450.23/x
  3. Step 3: Cross multiply
    276,193.77x = 381,090.26 × 161,450.23
  4. Step 4: Simplify right side
    276,193.77x = 61,527,110,127.76
  5. Step 5: Solve for x
    x = 61,527,110,127.76/276,193.77
  6. Step 6: Final answer
    x = 222,767.91

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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.