Home / 189,732.78-261,820.96-104,844.38

Finding the Fourth Proportional to 189,732.78, 261,820.96 and 104,844.38

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Solution

The fourth proportional to 189,732.78, 261,820.96 and 104,844.38 is: 144,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,732.78 : 261,820.96 = 104,844.38 : x
  2. Step 2: Convert to fraction form
    189,732.78/261,820.96 = 104,844.38/x
  3. Step 3: Cross multiply
    189,732.78x = 261,820.96 × 104,844.38
  4. Step 4: Simplify right side
    189,732.78x = 27,450,454,650.99
  5. Step 5: Solve for x
    x = 27,450,454,650.99/189,732.78
  6. Step 6: Final answer
    x = 144,679.56

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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.