Home / 305,998.20-458,997.30-106,252.20

Finding the Fourth Proportional to 305,998.20, 458,997.30 and 106,252.20

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Solution

The fourth proportional to 305,998.20, 458,997.30 and 106,252.20 is: 159,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,998.20 : 458,997.30 = 106,252.20 : x
  2. Step 2: Convert to fraction form
    305,998.20/458,997.30 = 106,252.20/x
  3. Step 3: Cross multiply
    305,998.20x = 458,997.30 × 106,252.20
  4. Step 4: Simplify right side
    305,998.20x = 48,769,472,919.06
  5. Step 5: Solve for x
    x = 48,769,472,919.06/305,998.20
  6. Step 6: Final answer
    x = 159,378.30

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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.