Home / 189,725.60-261,819.24-104,837.60

Finding the Fourth Proportional to 189,725.60, 261,819.24 and 104,837.60

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Solution

The fourth proportional to 189,725.60, 261,819.24 and 104,837.60 is: 144,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,725.60 : 261,819.24 = 104,837.60 : x
  2. Step 2: Convert to fraction form
    189,725.60/261,819.24 = 104,837.60/x
  3. Step 3: Cross multiply
    189,725.60x = 261,819.24 × 104,837.60
  4. Step 4: Simplify right side
    189,725.60x = 27,448,500,755.42
  5. Step 5: Solve for x
    x = 27,448,500,755.42/189,725.60
  6. Step 6: Final answer
    x = 144,674.73

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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.