Home / 331,116.10-496,492.71-131,234.02

Finding the Fourth Proportional to 331,116.10, 496,492.71 and 131,234.02

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Solution

The fourth proportional to 331,116.10, 496,492.71 and 131,234.02 is: 196,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,116.10 : 496,492.71 = 131,234.02 : x
  2. Step 2: Convert to fraction form
    331,116.10/496,492.71 = 131,234.02/x
  3. Step 3: Cross multiply
    331,116.10x = 496,492.71 × 131,234.02
  4. Step 4: Simplify right side
    331,116.10x = 65,156,734,233.99
  5. Step 5: Solve for x
    x = 65,156,734,233.99/331,116.10
  6. Step 6: Final answer
    x = 196,779.12

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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.