Home / 214,601.40-321,902.10-164,932.20

Finding the Fourth Proportional to 214,601.40, 321,902.10 and 164,932.20

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Solution

The fourth proportional to 214,601.40, 321,902.10 and 164,932.20 is: 247,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601.40 : 321,902.10 = 164,932.20 : x
  2. Step 2: Convert to fraction form
    214,601.40/321,902.10 = 164,932.20/x
  3. Step 3: Cross multiply
    214,601.40x = 321,902.10 × 164,932.20
  4. Step 4: Simplify right side
    214,601.40x = 53,092,021,537.62
  5. Step 5: Solve for x
    x = 53,092,021,537.62/214,601.40
  6. Step 6: Final answer
    x = 247,398.30

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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.