Home / 189,926.92-262,082.82-105,022.72

Finding the Fourth Proportional to 189,926.92, 262,082.82 and 105,022.72

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Solution

The fourth proportional to 189,926.92, 262,082.82 and 105,022.72 is: 144,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,926.92 : 262,082.82 = 105,022.72 : x
  2. Step 2: Convert to fraction form
    189,926.92/262,082.82 = 105,022.72/x
  3. Step 3: Cross multiply
    189,926.92x = 262,082.82 × 105,022.72
  4. Step 4: Simplify right side
    189,926.92x = 27,524,650,621.67
  5. Step 5: Solve for x
    x = 27,524,650,621.67/189,926.92
  6. Step 6: Final answer
    x = 144,922.32

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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.