Home / 297,237.40-445,856.10-195,760.60

Finding the Fourth Proportional to 297,237.40, 445,856.10 and 195,760.60

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Solution

The fourth proportional to 297,237.40, 445,856.10 and 195,760.60 is: 293,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,237.40 : 445,856.10 = 195,760.60 : x
  2. Step 2: Convert to fraction form
    297,237.40/445,856.10 = 195,760.60/x
  3. Step 3: Cross multiply
    297,237.40x = 445,856.10 × 195,760.60
  4. Step 4: Simplify right side
    297,237.40x = 87,281,057,649.66
  5. Step 5: Solve for x
    x = 87,281,057,649.66/297,237.40
  6. Step 6: Final answer
    x = 293,640.90

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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.