Home / 198,406.64-297,356.88-92,993.36

Finding the Fourth Proportional to 198,406.64, 297,356.88 and 92,993.36

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Solution

The fourth proportional to 198,406.64, 297,356.88 and 92,993.36 is: 139,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,406.64 : 297,356.88 = 92,993.36 : x
  2. Step 2: Convert to fraction form
    198,406.64/297,356.88 = 92,993.36/x
  3. Step 3: Cross multiply
    198,406.64x = 297,356.88 × 92,993.36
  4. Step 4: Simplify right side
    198,406.64x = 27,652,215,390.32
  5. Step 5: Solve for x
    x = 27,652,215,390.32/198,406.64
  6. Step 6: Final answer
    x = 139,371.42

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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.