Home / 165,209.83-247,939.38-76,525.56

Finding the Fourth Proportional to 165,209.83, 247,939.38 and 76,525.56

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Solution

The fourth proportional to 165,209.83, 247,939.38 and 76,525.56 is: 114,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,209.83 : 247,939.38 = 76,525.56 : x
  2. Step 2: Convert to fraction form
    165,209.83/247,939.38 = 76,525.56/x
  3. Step 3: Cross multiply
    165,209.83x = 247,939.38 × 76,525.56
  4. Step 4: Simplify right side
    165,209.83x = 18,973,699,900.55
  5. Step 5: Solve for x
    x = 18,973,699,900.55/165,209.83
  6. Step 6: Final answer
    x = 114,846.07

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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.