Home / 161,693.82-223,149.33-105,269.22

Finding the Fourth Proportional to 161,693.82, 223,149.33 and 105,269.22

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Solution

The fourth proportional to 161,693.82, 223,149.33 and 105,269.22 is: 145,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,693.82 : 223,149.33 = 105,269.22 : x
  2. Step 2: Convert to fraction form
    161,693.82/223,149.33 = 105,269.22/x
  3. Step 3: Cross multiply
    161,693.82x = 223,149.33 × 105,269.22
  4. Step 4: Simplify right side
    161,693.82x = 23,490,755,912.62
  5. Step 5: Solve for x
    x = 23,490,755,912.62/161,693.82
  6. Step 6: Final answer
    x = 145,279.24

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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.