Home / 297,520.40-446,572.20-147,929.60

Finding the Fourth Proportional to 297,520.40, 446,572.20 and 147,929.60

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Solution

The fourth proportional to 297,520.40, 446,572.20 and 147,929.60 is: 222,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,520.40 : 446,572.20 = 147,929.60 : x
  2. Step 2: Convert to fraction form
    297,520.40/446,572.20 = 147,929.60/x
  3. Step 3: Cross multiply
    297,520.40x = 446,572.20 × 147,929.60
  4. Step 4: Simplify right side
    297,520.40x = 66,061,246,917.12
  5. Step 5: Solve for x
    x = 66,061,246,917.12/297,520.40
  6. Step 6: Final answer
    x = 222,039.39

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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.