Home / 268,500.42-370,517.90-147,646.80

Finding the Fourth Proportional to 268,500.42, 370,517.90 and 147,646.80

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Solution

The fourth proportional to 268,500.42, 370,517.90 and 147,646.80 is: 203,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,500.42 : 370,517.90 = 147,646.80 : x
  2. Step 2: Convert to fraction form
    268,500.42/370,517.90 = 147,646.80/x
  3. Step 3: Cross multiply
    268,500.42x = 370,517.90 × 147,646.80
  4. Step 4: Simplify right side
    268,500.42x = 54,705,781,539.49
  5. Step 5: Solve for x
    x = 54,705,781,539.49/268,500.42
  6. Step 6: Final answer
    x = 203,745.61

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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.