Home / 168,031.82-231,886.58-91,554.53

Finding the Fourth Proportional to 168,031.82, 231,886.58 and 91,554.53

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Solution

The fourth proportional to 168,031.82, 231,886.58 and 91,554.53 is: 126,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031.82 : 231,886.58 = 91,554.53 : x
  2. Step 2: Convert to fraction form
    168,031.82/231,886.58 = 91,554.53/x
  3. Step 3: Cross multiply
    168,031.82x = 231,886.58 × 91,554.53
  4. Step 4: Simplify right side
    168,031.82x = 21,230,265,228.00
  5. Step 5: Solve for x
    x = 21,230,265,228.00/168,031.82
  6. Step 6: Final answer
    x = 126,346.70

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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.