Home / 161,945.73-223,486.11-94,003.29

Finding the Fourth Proportional to 161,945.73, 223,486.11 and 94,003.29

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Solution

The fourth proportional to 161,945.73, 223,486.11 and 94,003.29 is: 129,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,945.73 : 223,486.11 = 94,003.29 : x
  2. Step 2: Convert to fraction form
    161,945.73/223,486.11 = 94,003.29/x
  3. Step 3: Cross multiply
    161,945.73x = 223,486.11 × 94,003.29
  4. Step 4: Simplify right side
    161,945.73x = 21,008,429,609.30
  5. Step 5: Solve for x
    x = 21,008,429,609.30/161,945.73
  6. Step 6: Final answer
    x = 129,725.12

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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.