Home / 116,773.88-161,174.18-76,464.23

Finding the Fourth Proportional to 116,773.88, 161,174.18 and 76,464.23

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Solution

The fourth proportional to 116,773.88, 161,174.18 and 76,464.23 is: 105,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,773.88 : 161,174.18 = 76,464.23 : x
  2. Step 2: Convert to fraction form
    116,773.88/161,174.18 = 76,464.23/x
  3. Step 3: Cross multiply
    116,773.88x = 161,174.18 × 76,464.23
  4. Step 4: Simplify right side
    116,773.88x = 12,324,059,559.27
  5. Step 5: Solve for x
    x = 12,324,059,559.27/116,773.88
  6. Step 6: Final answer
    x = 105,537.81

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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.