Home / 165,861.29-248,427.26-137,071.97

Finding the Fourth Proportional to 165,861.29, 248,427.26 and 137,071.97

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Solution

The fourth proportional to 165,861.29, 248,427.26 and 137,071.97 is: 205,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,861.29 : 248,427.26 = 137,071.97 : x
  2. Step 2: Convert to fraction form
    165,861.29/248,427.26 = 137,071.97/x
  3. Step 3: Cross multiply
    165,861.29x = 248,427.26 × 137,071.97
  4. Step 4: Simplify right side
    165,861.29x = 34,052,413,929.90
  5. Step 5: Solve for x
    x = 34,052,413,929.90/165,861.29
  6. Step 6: Final answer
    x = 205,306.58

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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.