Home / 254,271.22-381,425.07-67,280.50

Finding the Fourth Proportional to 254,271.22, 381,425.07 and 67,280.50

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Solution

The fourth proportional to 254,271.22, 381,425.07 and 67,280.50 is: 100,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,271.22 : 381,425.07 = 67,280.50 : x
  2. Step 2: Convert to fraction form
    254,271.22/381,425.07 = 67,280.50/x
  3. Step 3: Cross multiply
    254,271.22x = 381,425.07 × 67,280.50
  4. Step 4: Simplify right side
    254,271.22x = 25,662,469,422.14
  5. Step 5: Solve for x
    x = 25,662,469,422.14/254,271.22
  6. Step 6: Final answer
    x = 100,925.58

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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.