Home / 165,748.70-248,623.05-143,198.30

Finding the Fourth Proportional to 165,748.70, 248,623.05 and 143,198.30

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Solution

The fourth proportional to 165,748.70, 248,623.05 and 143,198.30 is: 214,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,748.70 : 248,623.05 = 143,198.30 : x
  2. Step 2: Convert to fraction form
    165,748.70/248,623.05 = 143,198.30/x
  3. Step 3: Cross multiply
    165,748.70x = 248,623.05 × 143,198.30
  4. Step 4: Simplify right side
    165,748.70x = 35,602,398,100.82
  5. Step 5: Solve for x
    x = 35,602,398,100.82/165,748.70
  6. Step 6: Final answer
    x = 214,797.45

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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.