Home / 254,738.32-382,107.04-67,749.84

Finding the Fourth Proportional to 254,738.32, 382,107.04 and 67,749.84

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Solution

The fourth proportional to 254,738.32, 382,107.04 and 67,749.84 is: 101,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,738.32 : 382,107.04 = 67,749.84 : x
  2. Step 2: Convert to fraction form
    254,738.32/382,107.04 = 67,749.84/x
  3. Step 3: Cross multiply
    254,738.32x = 382,107.04 × 67,749.84
  4. Step 4: Simplify right side
    254,738.32x = 25,887,690,822.87
  5. Step 5: Solve for x
    x = 25,887,690,822.87/254,738.32
  6. Step 6: Final answer
    x = 101,624.64

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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.