Home / 169,186.92-253,782.18-69,321.48

Finding the Fourth Proportional to 169,186.92, 253,782.18 and 69,321.48

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Solution

The fourth proportional to 169,186.92, 253,782.18 and 69,321.48 is: 103,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,186.92 : 253,782.18 = 69,321.48 : x
  2. Step 2: Convert to fraction form
    169,186.92/253,782.18 = 69,321.48/x
  3. Step 3: Cross multiply
    169,186.92x = 253,782.18 × 69,321.48
  4. Step 4: Simplify right side
    169,186.92x = 17,592,556,315.23
  5. Step 5: Solve for x
    x = 17,592,556,315.23/169,186.92
  6. Step 6: Final answer
    x = 103,982.96

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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.