Home / 165,786.22-248,679.34-47,457.98

Finding the Fourth Proportional to 165,786.22, 248,679.34 and 47,457.98

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Solution

The fourth proportional to 165,786.22, 248,679.34 and 47,457.98 is: 71,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786.22 : 248,679.34 = 47,457.98 : x
  2. Step 2: Convert to fraction form
    165,786.22/248,679.34 = 47,457.98/x
  3. Step 3: Cross multiply
    165,786.22x = 248,679.34 × 47,457.98
  4. Step 4: Simplify right side
    165,786.22x = 11,801,819,144.13
  5. Step 5: Solve for x
    x = 11,801,819,144.13/165,786.22
  6. Step 6: Final answer
    x = 71,186.97

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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.