Home / 116,760.99-161,168.22-86,536.65

Finding the Fourth Proportional to 116,760.99, 161,168.22 and 86,536.65

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Solution

The fourth proportional to 116,760.99, 161,168.22 and 86,536.65 is: 119,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,760.99 : 161,168.22 = 86,536.65 : x
  2. Step 2: Convert to fraction form
    116,760.99/161,168.22 = 86,536.65/x
  3. Step 3: Cross multiply
    116,760.99x = 161,168.22 × 86,536.65
  4. Step 4: Simplify right side
    116,760.99x = 13,946,957,845.26
  5. Step 5: Solve for x
    x = 13,946,957,845.26/116,760.99
  6. Step 6: Final answer
    x = 119,448.78

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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.