Home / 297,291.12-410,259.63-161,321.61

Finding the Fourth Proportional to 297,291.12, 410,259.63 and 161,321.61

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Solution

The fourth proportional to 297,291.12, 410,259.63 and 161,321.61 is: 222,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,291.12 : 410,259.63 = 161,321.61 : x
  2. Step 2: Convert to fraction form
    297,291.12/410,259.63 = 161,321.61/x
  3. Step 3: Cross multiply
    297,291.12x = 410,259.63 × 161,321.61
  4. Step 4: Simplify right side
    297,291.12x = 66,183,744,029.60
  5. Step 5: Solve for x
    x = 66,183,744,029.60/297,291.12
  6. Step 6: Final answer
    x = 222,622.67

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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.