Home / 168,031.36-231,872.61-92,579.86

Finding the Fourth Proportional to 168,031.36, 231,872.61 and 92,579.86

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Solution

The fourth proportional to 168,031.36, 231,872.61 and 92,579.86 is: 127,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031.36 : 231,872.61 = 92,579.86 : x
  2. Step 2: Convert to fraction form
    168,031.36/231,872.61 = 92,579.86/x
  3. Step 3: Cross multiply
    168,031.36x = 231,872.61 × 92,579.86
  4. Step 4: Simplify right side
    168,031.36x = 21,466,733,771.63
  5. Step 5: Solve for x
    x = 21,466,733,771.63/168,031.36
  6. Step 6: Final answer
    x = 127,754.33

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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.