Home / 189,926.42-262,082.13-105,022.22

Finding the Fourth Proportional to 189,926.42, 262,082.13 and 105,022.22

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Solution

The fourth proportional to 189,926.42, 262,082.13 and 105,022.22 is: 144,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,926.42 : 262,082.13 = 105,022.22 : x
  2. Step 2: Convert to fraction form
    189,926.42/262,082.13 = 105,022.22/x
  3. Step 3: Cross multiply
    189,926.42x = 262,082.13 × 105,022.22
  4. Step 4: Simplify right side
    189,926.42x = 27,524,447,114.93
  5. Step 5: Solve for x
    x = 27,524,447,114.93/189,926.42
  6. Step 6: Final answer
    x = 144,921.63

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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.