Home / 198,630.20-297,945.30-176,857.40

Finding the Fourth Proportional to 198,630.20, 297,945.30 and 176,857.40

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Solution

The fourth proportional to 198,630.20, 297,945.30 and 176,857.40 is: 265,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,630.20 : 297,945.30 = 176,857.40 : x
  2. Step 2: Convert to fraction form
    198,630.20/297,945.30 = 176,857.40/x
  3. Step 3: Cross multiply
    198,630.20x = 297,945.30 × 176,857.40
  4. Step 4: Simplify right side
    198,630.20x = 52,693,831,100.22
  5. Step 5: Solve for x
    x = 52,693,831,100.22/198,630.20
  6. Step 6: Final answer
    x = 265,286.10

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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.