Home / 226,361.12-312,388.20-125,759.12

Finding the Fourth Proportional to 226,361.12, 312,388.20 and 125,759.12

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Solution

The fourth proportional to 226,361.12, 312,388.20 and 125,759.12 is: 173,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,361.12 : 312,388.20 = 125,759.12 : x
  2. Step 2: Convert to fraction form
    226,361.12/312,388.20 = 125,759.12/x
  3. Step 3: Cross multiply
    226,361.12x = 312,388.20 × 125,759.12
  4. Step 4: Simplify right side
    226,361.12x = 39,285,665,130.38
  5. Step 5: Solve for x
    x = 39,285,665,130.38/226,361.12
  6. Step 6: Final answer
    x = 173,553.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.