Home / 116,818.26-161,209.09-63,103.26

Finding the Fourth Proportional to 116,818.26, 161,209.09 and 63,103.26

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Solution

The fourth proportional to 116,818.26, 161,209.09 and 63,103.26 is: 87,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,818.26 : 161,209.09 = 63,103.26 : x
  2. Step 2: Convert to fraction form
    116,818.26/161,209.09 = 63,103.26/x
  3. Step 3: Cross multiply
    116,818.26x = 161,209.09 × 63,103.26
  4. Step 4: Simplify right side
    116,818.26x = 10,172,819,120.63
  5. Step 5: Solve for x
    x = 10,172,819,120.63/116,818.26
  6. Step 6: Final answer
    x = 87,082.44

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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.