Home / 189,823.38-261,961.73-104,945.91

Finding the Fourth Proportional to 189,823.38, 261,961.73 and 104,945.91

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Solution

The fourth proportional to 189,823.38, 261,961.73 and 104,945.91 is: 144,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,823.38 : 261,961.73 = 104,945.91 : x
  2. Step 2: Convert to fraction form
    189,823.38/261,961.73 = 104,945.91/x
  3. Step 3: Cross multiply
    189,823.38x = 261,961.73 × 104,945.91
  4. Step 4: Simplify right side
    189,823.38x = 27,491,812,140.02
  5. Step 5: Solve for x
    x = 27,491,812,140.02/189,823.38
  6. Step 6: Final answer
    x = 144,828.38

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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.