Home / 116,885.43-161,227.09-81,062.37

Finding the Fourth Proportional to 116,885.43, 161,227.09 and 81,062.37

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Solution

The fourth proportional to 116,885.43, 161,227.09 and 81,062.37 is: 111,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885.43 : 161,227.09 = 81,062.37 : x
  2. Step 2: Convert to fraction form
    116,885.43/161,227.09 = 81,062.37/x
  3. Step 3: Cross multiply
    116,885.43x = 161,227.09 × 81,062.37
  4. Step 4: Simplify right side
    116,885.43x = 13,069,450,023.60
  5. Step 5: Solve for x
    x = 13,069,450,023.60/116,885.43
  6. Step 6: Final answer
    x = 111,814.19

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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.