Home / 116,996.00-161,514.20-81,123.73

Finding the Fourth Proportional to 116,996.00, 161,514.20 and 81,123.73

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Solution

The fourth proportional to 116,996.00, 161,514.20 and 81,123.73 is: 111,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,996.00 : 161,514.20 = 81,123.73 : x
  2. Step 2: Convert to fraction form
    116,996.00/161,514.20 = 81,123.73/x
  3. Step 3: Cross multiply
    116,996.00x = 161,514.20 × 81,123.73
  4. Step 4: Simplify right side
    116,996.00x = 13,102,634,150.99
  5. Step 5: Solve for x
    x = 13,102,634,150.99/116,996.00
  6. Step 6: Final answer
    x = 111,992.16

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1.5x scale

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.