Home / 164,379.36-226,836.72-103,982.88

Finding the Fourth Proportional to 164,379.36, 226,836.72 and 103,982.88

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Solution

The fourth proportional to 164,379.36, 226,836.72 and 103,982.88 is: 143,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,379.36 : 226,836.72 = 103,982.88 : x
  2. Step 2: Convert to fraction form
    164,379.36/226,836.72 = 103,982.88/x
  3. Step 3: Cross multiply
    164,379.36x = 226,836.72 × 103,982.88
  4. Step 4: Simplify right side
    164,379.36x = 23,587,135,435.35
  5. Step 5: Solve for x
    x = 23,587,135,435.35/164,379.36
  6. Step 6: Final answer
    x = 143,492.07

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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.