Home / 214,935.40-322,403.10-197,876.80

Finding the Fourth Proportional to 214,935.40, 322,403.10 and 197,876.80

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Solution

The fourth proportional to 214,935.40, 322,403.10 and 197,876.80 is: 296,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,935.40 : 322,403.10 = 197,876.80 : x
  2. Step 2: Convert to fraction form
    214,935.40/322,403.10 = 197,876.80/x
  3. Step 3: Cross multiply
    214,935.40x = 322,403.10 × 197,876.80
  4. Step 4: Simplify right side
    214,935.40x = 63,796,093,738.08
  5. Step 5: Solve for x
    x = 63,796,093,738.08/214,935.40
  6. Step 6: Final answer
    x = 296,815.20

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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.