Home / 198,943.30-298,414.98-190,304.68

Finding the Fourth Proportional to 198,943.30, 298,414.98 and 190,304.68

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Solution

The fourth proportional to 198,943.30, 298,414.98 and 190,304.68 is: 285,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,943.30 : 298,414.98 = 190,304.68 : x
  2. Step 2: Convert to fraction form
    198,943.30/298,414.98 = 190,304.68/x
  3. Step 3: Cross multiply
    198,943.30x = 298,414.98 × 190,304.68
  4. Step 4: Simplify right side
    198,943.30x = 56,789,767,276.11
  5. Step 5: Solve for x
    x = 56,789,767,276.11/198,943.30
  6. Step 6: Final answer
    x = 285,457.05

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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.