Home / 276,538.14-381,651.21-169,179.57

Finding the Fourth Proportional to 276,538.14, 381,651.21 and 169,179.57

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Solution

The fourth proportional to 276,538.14, 381,651.21 and 169,179.57 is: 233,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,538.14 : 381,651.21 = 169,179.57 : x
  2. Step 2: Convert to fraction form
    276,538.14/381,651.21 = 169,179.57/x
  3. Step 3: Cross multiply
    276,538.14x = 381,651.21 × 169,179.57
  4. Step 4: Simplify right side
    276,538.14x = 64,567,587,597.78
  5. Step 5: Solve for x
    x = 64,567,587,597.78/276,538.14
  6. Step 6: Final answer
    x = 233,485.29

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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.