Home / 254,073.38-381,110.07-67,086.50

Finding the Fourth Proportional to 254,073.38, 381,110.07 and 67,086.50

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Solution

The fourth proportional to 254,073.38, 381,110.07 and 67,086.50 is: 100,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,073.38 : 381,110.07 = 67,086.50 : x
  2. Step 2: Convert to fraction form
    254,073.38/381,110.07 = 67,086.50/x
  3. Step 3: Cross multiply
    254,073.38x = 381,110.07 × 67,086.50
  4. Step 4: Simplify right side
    254,073.38x = 25,567,340,711.06
  5. Step 5: Solve for x
    x = 25,567,340,711.06/254,073.38
  6. Step 6: Final answer
    x = 100,629.75

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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.