Home / 189,260.68-261,179.58-104,383.12

Finding the Fourth Proportional to 189,260.68, 261,179.58 and 104,383.12

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Solution

The fourth proportional to 189,260.68, 261,179.58 and 104,383.12 is: 144,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,260.68 : 261,179.58 = 104,383.12 : x
  2. Step 2: Convert to fraction form
    189,260.68/261,179.58 = 104,383.12/x
  3. Step 3: Cross multiply
    189,260.68x = 261,179.58 × 104,383.12
  4. Step 4: Simplify right side
    189,260.68x = 27,262,739,440.69
  5. Step 5: Solve for x
    x = 27,262,739,440.69/189,260.68
  6. Step 6: Final answer
    x = 144,048.62

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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.