Home / 254,071.37-381,107.07-67,084.49

Finding the Fourth Proportional to 254,071.37, 381,107.07 and 67,084.49

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Solution

The fourth proportional to 254,071.37, 381,107.07 and 67,084.49 is: 100,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,071.37 : 381,107.07 = 67,084.49 : x
  2. Step 2: Convert to fraction form
    254,071.37/381,107.07 = 67,084.49/x
  3. Step 3: Cross multiply
    254,071.37x = 381,107.07 × 67,084.49
  4. Step 4: Simplify right side
    254,071.37x = 25,566,373,426.34
  5. Step 5: Solve for x
    x = 25,566,373,426.34/254,071.37
  6. Step 6: Final answer
    x = 100,626.74

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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.