Home / 134,231.06-185,227.92-79,031.68

Finding the Fourth Proportional to 134,231.06, 185,227.92 and 79,031.68

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Solution

The fourth proportional to 134,231.06, 185,227.92 and 79,031.68 is: 109,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,231.06 : 185,227.92 = 79,031.68 : x
  2. Step 2: Convert to fraction form
    134,231.06/185,227.92 = 79,031.68/x
  3. Step 3: Cross multiply
    134,231.06x = 185,227.92 × 79,031.68
  4. Step 4: Simplify right side
    134,231.06x = 14,638,873,237.44
  5. Step 5: Solve for x
    x = 14,638,873,237.44/134,231.06
  6. Step 6: Final answer
    x = 109,057.27

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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.