Home / 161,958.18-223,512.30-89,360.73

Finding the Fourth Proportional to 161,958.18, 223,512.30 and 89,360.73

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Solution

The fourth proportional to 161,958.18, 223,512.30 and 89,360.73 is: 123,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,958.18 : 223,512.30 = 89,360.73 : x
  2. Step 2: Convert to fraction form
    161,958.18/223,512.30 = 89,360.73/x
  3. Step 3: Cross multiply
    161,958.18x = 223,512.30 × 89,360.73
  4. Step 4: Simplify right side
    161,958.18x = 19,973,222,291.98
  5. Step 5: Solve for x
    x = 19,973,222,291.98/161,958.18
  6. Step 6: Final answer
    x = 123,323.33

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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.