Home / 222,664.80-333,997.20-209,834.40

Finding the Fourth Proportional to 222,664.80, 333,997.20 and 209,834.40

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Solution

The fourth proportional to 222,664.80, 333,997.20 and 209,834.40 is: 314,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,664.80 : 333,997.20 = 209,834.40 : x
  2. Step 2: Convert to fraction form
    222,664.80/333,997.20 = 209,834.40/x
  3. Step 3: Cross multiply
    222,664.80x = 333,997.20 × 209,834.40
  4. Step 4: Simplify right side
    222,664.80x = 70,084,102,063.68
  5. Step 5: Solve for x
    x = 70,084,102,063.68/222,664.80
  6. Step 6: Final answer
    x = 314,751.60

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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.