Home / 222,385.55-333,579-53,905.22

Finding the Fourth Proportional to 222,385.55, 333,579 and 53,905.22

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Solution

The fourth proportional to 222,385.55, 333,579 and 53,905.22 is: 80,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,385.55 : 333,579 = 53,905.22 : x
  2. Step 2: Convert to fraction form
    222,385.55/333,579 = 53,905.22/x
  3. Step 3: Cross multiply
    222,385.55x = 333,579 × 53,905.22
  4. Step 4: Simplify right side
    222,385.55x = 17,981,647,714.49
  5. Step 5: Solve for x
    x = 17,981,647,714.49/222,385.55
  6. Step 6: Final answer
    x = 80,857.99

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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.