Home / 297,260.40-445,890.60-171,289.20

Finding the Fourth Proportional to 297,260.40, 445,890.60 and 171,289.20

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Solution

The fourth proportional to 297,260.40, 445,890.60 and 171,289.20 is: 256,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,260.40 : 445,890.60 = 171,289.20 : x
  2. Step 2: Convert to fraction form
    297,260.40/445,890.60 = 171,289.20/x
  3. Step 3: Cross multiply
    297,260.40x = 445,890.60 × 171,289.20
  4. Step 4: Simplify right side
    297,260.40x = 76,376,244,161.52
  5. Step 5: Solve for x
    x = 76,376,244,161.52/297,260.40
  6. Step 6: Final answer
    x = 256,933.80

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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.