Home / 162,201.92-223,861.20-90,586.04

Finding the Fourth Proportional to 162,201.92, 223,861.20 and 90,586.04

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Solution

The fourth proportional to 162,201.92, 223,861.20 and 90,586.04 is: 125,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,201.92 : 223,861.20 = 90,586.04 : x
  2. Step 2: Convert to fraction form
    162,201.92/223,861.20 = 90,586.04/x
  3. Step 3: Cross multiply
    162,201.92x = 223,861.20 × 90,586.04
  4. Step 4: Simplify right side
    162,201.92x = 20,278,699,617.65
  5. Step 5: Solve for x
    x = 20,278,699,617.65/162,201.92
  6. Step 6: Final answer
    x = 125,021.33

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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.