Home / 131,187.58-196,527.70-109,874.58

Finding the Fourth Proportional to 131,187.58, 196,527.70 and 109,874.58

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Solution

The fourth proportional to 131,187.58, 196,527.70 and 109,874.58 is: 164,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,187.58 : 196,527.70 = 109,874.58 : x
  2. Step 2: Convert to fraction form
    131,187.58/196,527.70 = 109,874.58/x
  3. Step 3: Cross multiply
    131,187.58x = 196,527.70 × 109,874.58
  4. Step 4: Simplify right side
    131,187.58x = 21,593,399,554.43
  5. Step 5: Solve for x
    x = 21,593,399,554.43/131,187.58
  6. Step 6: Final answer
    x = 164,599.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.