Home / 221,416.30-332,124.45-206,544.70

Finding the Fourth Proportional to 221,416.30, 332,124.45 and 206,544.70

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Solution

The fourth proportional to 221,416.30, 332,124.45 and 206,544.70 is: 309,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,416.30 : 332,124.45 = 206,544.70 : x
  2. Step 2: Convert to fraction form
    221,416.30/332,124.45 = 206,544.70/x
  3. Step 3: Cross multiply
    221,416.30x = 332,124.45 × 206,544.70
  4. Step 4: Simplify right side
    221,416.30x = 68,598,544,887.92
  5. Step 5: Solve for x
    x = 68,598,544,887.92/221,416.30
  6. Step 6: Final answer
    x = 309,817.05

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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.