Home / 165,742.12-248,531.10-70,958.44

Finding the Fourth Proportional to 165,742.12, 248,531.10 and 70,958.44

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Solution

The fourth proportional to 165,742.12, 248,531.10 and 70,958.44 is: 106,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.12 : 248,531.10 = 70,958.44 : x
  2. Step 2: Convert to fraction form
    165,742.12/248,531.10 = 70,958.44/x
  3. Step 3: Cross multiply
    165,742.12x = 248,531.10 × 70,958.44
  4. Step 4: Simplify right side
    165,742.12x = 17,635,379,147.48
  5. Step 5: Solve for x
    x = 17,635,379,147.48/165,742.12
  6. Step 6: Final answer
    x = 106,402.52

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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.