Home / 280,033.17-386,474.94-172,600.44

Finding the Fourth Proportional to 280,033.17, 386,474.94 and 172,600.44

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Solution

The fourth proportional to 280,033.17, 386,474.94 and 172,600.44 is: 238,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,033.17 : 386,474.94 = 172,600.44 : x
  2. Step 2: Convert to fraction form
    280,033.17/386,474.94 = 172,600.44/x
  3. Step 3: Cross multiply
    280,033.17x = 386,474.94 × 172,600.44
  4. Step 4: Simplify right side
    280,033.17x = 66,705,744,692.97
  5. Step 5: Solve for x
    x = 66,705,744,692.97/280,033.17
  6. Step 6: Final answer
    x = 238,206.58

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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.