Home / 165,930.30-248,895.45-136,405.80

Finding the Fourth Proportional to 165,930.30, 248,895.45 and 136,405.80

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Solution

The fourth proportional to 165,930.30, 248,895.45 and 136,405.80 is: 204,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,930.30 : 248,895.45 = 136,405.80 : x
  2. Step 2: Convert to fraction form
    165,930.30/248,895.45 = 136,405.80/x
  3. Step 3: Cross multiply
    165,930.30x = 248,895.45 × 136,405.80
  4. Step 4: Simplify right side
    165,930.30x = 33,950,782,973.61
  5. Step 5: Solve for x
    x = 33,950,782,973.61/165,930.30
  6. Step 6: Final answer
    x = 204,608.70

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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.