Home / 198,729.16-298,086.88-56,575.30

Finding the Fourth Proportional to 198,729.16, 298,086.88 and 56,575.30

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Solution

The fourth proportional to 198,729.16, 298,086.88 and 56,575.30 is: 84,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,729.16 : 298,086.88 = 56,575.30 : x
  2. Step 2: Convert to fraction form
    198,729.16/298,086.88 = 56,575.30/x
  3. Step 3: Cross multiply
    198,729.16x = 298,086.88 × 56,575.30
  4. Step 4: Simplify right side
    198,729.16x = 16,864,354,662.06
  5. Step 5: Solve for x
    x = 16,864,354,662.06/198,729.16
  6. Step 6: Final answer
    x = 84,861.00

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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.