Home / 189,736.75-261,836.72-114,299.83

Finding the Fourth Proportional to 189,736.75, 261,836.72 and 114,299.83

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Solution

The fourth proportional to 189,736.75, 261,836.72 and 114,299.83 is: 157,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,736.75 : 261,836.72 = 114,299.83 : x
  2. Step 2: Convert to fraction form
    189,736.75/261,836.72 = 114,299.83/x
  3. Step 3: Cross multiply
    189,736.75x = 261,836.72 × 114,299.83
  4. Step 4: Simplify right side
    189,736.75x = 29,927,892,583.76
  5. Step 5: Solve for x
    x = 29,927,892,583.76/189,736.75
  6. Step 6: Final answer
    x = 157,733.77

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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.