Home / 116,187.68-174,005.04-66,836

Finding the Fourth Proportional to 116,187.68, 174,005.04 and 66,836

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Solution

The fourth proportional to 116,187.68, 174,005.04 and 66,836 is: 100,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,187.68 : 174,005.04 = 66,836 : x
  2. Step 2: Convert to fraction form
    116,187.68/174,005.04 = 66,836/x
  3. Step 3: Cross multiply
    116,187.68x = 174,005.04 × 66,836
  4. Step 4: Simplify right side
    116,187.68x = 11,629,800,853.44
  5. Step 5: Solve for x
    x = 11,629,800,853.44/116,187.68
  6. Step 6: Final answer
    x = 100,094.96

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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.