Home / 324,020.24-485,861.88-146,442.32

Finding the Fourth Proportional to 324,020.24, 485,861.88 and 146,442.32

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Solution

The fourth proportional to 324,020.24, 485,861.88 and 146,442.32 is: 219,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,020.24 : 485,861.88 = 146,442.32 : x
  2. Step 2: Convert to fraction form
    324,020.24/485,861.88 = 146,442.32/x
  3. Step 3: Cross multiply
    324,020.24x = 485,861.88 × 146,442.32
  4. Step 4: Simplify right side
    324,020.24x = 71,150,740,906.76
  5. Step 5: Solve for x
    x = 71,150,740,906.76/324,020.24
  6. Step 6: Final answer
    x = 219,587.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.