Home / 189,454.79-261,446.19-104,571.83

Finding the Fourth Proportional to 189,454.79, 261,446.19 and 104,571.83

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Solution

The fourth proportional to 189,454.79, 261,446.19 and 104,571.83 is: 144,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,454.79 : 261,446.19 = 104,571.83 : x
  2. Step 2: Convert to fraction form
    189,454.79/261,446.19 = 104,571.83/x
  3. Step 3: Cross multiply
    189,454.79x = 261,446.19 × 104,571.83
  4. Step 4: Simplify right side
    189,454.79x = 27,339,906,534.83
  5. Step 5: Solve for x
    x = 27,339,906,534.83/189,454.79
  6. Step 6: Final answer
    x = 144,308.34

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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.