Home / 198,974.53-298,473.45-56,808.87

Finding the Fourth Proportional to 198,974.53, 298,473.45 and 56,808.87

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Solution

The fourth proportional to 198,974.53, 298,473.45 and 56,808.87 is: 85,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,974.53 : 298,473.45 = 56,808.87 : x
  2. Step 2: Convert to fraction form
    198,974.53/298,473.45 = 56,808.87/x
  3. Step 3: Cross multiply
    198,974.53x = 298,473.45 × 56,808.87
  4. Step 4: Simplify right side
    198,974.53x = 16,955,939,419.50
  5. Step 5: Solve for x
    x = 16,955,939,419.50/198,974.53
  6. Step 6: Final answer
    x = 85,216.63

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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.