Home / 135,167.44-186,556.62-81,460.12

Finding the Fourth Proportional to 135,167.44, 186,556.62 and 81,460.12

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Solution

The fourth proportional to 135,167.44, 186,556.62 and 81,460.12 is: 112,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,167.44 : 186,556.62 = 81,460.12 : x
  2. Step 2: Convert to fraction form
    135,167.44/186,556.62 = 81,460.12/x
  3. Step 3: Cross multiply
    135,167.44x = 186,556.62 × 81,460.12
  4. Step 4: Simplify right side
    135,167.44x = 15,196,924,651.99
  5. Step 5: Solve for x
    x = 15,196,924,651.99/135,167.44
  6. Step 6: Final answer
    x = 112,430.37

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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.