Home / 198,411.64-297,364.38-92,998.36

Finding the Fourth Proportional to 198,411.64, 297,364.38 and 92,998.36

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Solution

The fourth proportional to 198,411.64, 297,364.38 and 92,998.36 is: 139,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,411.64 : 297,364.38 = 92,998.36 : x
  2. Step 2: Convert to fraction form
    198,411.64/297,364.38 = 92,998.36/x
  3. Step 3: Cross multiply
    198,411.64x = 297,364.38 × 92,998.36
  4. Step 4: Simplify right side
    198,411.64x = 27,654,399,662.42
  5. Step 5: Solve for x
    x = 27,654,399,662.42/198,411.64
  6. Step 6: Final answer
    x = 139,378.92

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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.