Home / 189,724.08-261,819.32-104,841.14

Finding the Fourth Proportional to 189,724.08, 261,819.32 and 104,841.14

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Solution

The fourth proportional to 189,724.08, 261,819.32 and 104,841.14 is: 144,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,724.08 : 261,819.32 = 104,841.14 : x
  2. Step 2: Convert to fraction form
    189,724.08/261,819.32 = 104,841.14/x
  3. Step 3: Cross multiply
    189,724.08x = 261,819.32 × 104,841.14
  4. Step 4: Simplify right side
    189,724.08x = 27,449,435,982.82
  5. Step 5: Solve for x
    x = 27,449,435,982.82/189,724.08
  6. Step 6: Final answer
    x = 144,680.82

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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.