Home / 198,631.20-297,946.80-176,858.40

Finding the Fourth Proportional to 198,631.20, 297,946.80 and 176,858.40

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Solution

The fourth proportional to 198,631.20, 297,946.80 and 176,858.40 is: 265,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,631.20 : 297,946.80 = 176,858.40 : x
  2. Step 2: Convert to fraction form
    198,631.20/297,946.80 = 176,858.40/x
  3. Step 3: Cross multiply
    198,631.20x = 297,946.80 × 176,858.40
  4. Step 4: Simplify right side
    198,631.20x = 52,694,394,333.12
  5. Step 5: Solve for x
    x = 52,694,394,333.12/198,631.20
  6. Step 6: Final answer
    x = 265,287.60

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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.