Home / 134,189.37-185,198.82-86,581.22

Finding the Fourth Proportional to 134,189.37, 185,198.82 and 86,581.22

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Solution

The fourth proportional to 134,189.37, 185,198.82 and 86,581.22 is: 119,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,189.37 : 185,198.82 = 86,581.22 : x
  2. Step 2: Convert to fraction form
    134,189.37/185,198.82 = 86,581.22/x
  3. Step 3: Cross multiply
    134,189.37x = 185,198.82 × 86,581.22
  4. Step 4: Simplify right side
    134,189.37x = 16,034,738,852.17
  5. Step 5: Solve for x
    x = 16,034,738,852.17/134,189.37
  6. Step 6: Final answer
    x = 119,493.36

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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.