Home / 189,380.92-261,345.38-104,497.96

Finding the Fourth Proportional to 189,380.92, 261,345.38 and 104,497.96

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Solution

The fourth proportional to 189,380.92, 261,345.38 and 104,497.96 is: 144,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,380.92 : 261,345.38 = 104,497.96 : x
  2. Step 2: Convert to fraction form
    189,380.92/261,345.38 = 104,497.96/x
  3. Step 3: Cross multiply
    189,380.92x = 261,345.38 × 104,497.96
  4. Step 4: Simplify right side
    189,380.92x = 27,310,059,065.42
  5. Step 5: Solve for x
    x = 27,310,059,065.42/189,380.92
  6. Step 6: Final answer
    x = 144,207.03

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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.