Home / 198,541.40-297,812.10-188,864.60

Finding the Fourth Proportional to 198,541.40, 297,812.10 and 188,864.60

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Solution

The fourth proportional to 198,541.40, 297,812.10 and 188,864.60 is: 283,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,541.40 : 297,812.10 = 188,864.60 : x
  2. Step 2: Convert to fraction form
    198,541.40/297,812.10 = 188,864.60/x
  3. Step 3: Cross multiply
    198,541.40x = 297,812.10 × 188,864.60
  4. Step 4: Simplify right side
    198,541.40x = 56,246,163,141.66
  5. Step 5: Solve for x
    x = 56,246,163,141.66/198,541.40
  6. Step 6: Final answer
    x = 283,296.90

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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.