Home / 189,185.91-261,082.84-112,694.56

Finding the Fourth Proportional to 189,185.91, 261,082.84 and 112,694.56

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Solution

The fourth proportional to 189,185.91, 261,082.84 and 112,694.56 is: 155,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,185.91 : 261,082.84 = 112,694.56 : x
  2. Step 2: Convert to fraction form
    189,185.91/261,082.84 = 112,694.56/x
  3. Step 3: Cross multiply
    189,185.91x = 261,082.84 × 112,694.56
  4. Step 4: Simplify right side
    189,185.91x = 29,422,614,471.94
  5. Step 5: Solve for x
    x = 29,422,614,471.94/189,185.91
  6. Step 6: Final answer
    x = 155,522.23

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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.