Home / 331,271.28-496,837.20-106,651.80

Finding the Fourth Proportional to 331,271.28, 496,837.20 and 106,651.80

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Solution

The fourth proportional to 331,271.28, 496,837.20 and 106,651.80 is: 159,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,271.28 : 496,837.20 = 106,651.80 : x
  2. Step 2: Convert to fraction form
    331,271.28/496,837.20 = 106,651.80/x
  3. Step 3: Cross multiply
    331,271.28x = 496,837.20 × 106,651.80
  4. Step 4: Simplify right side
    331,271.28x = 52,988,581,686.96
  5. Step 5: Solve for x
    x = 52,988,581,686.96/331,271.28
  6. Step 6: Final answer
    x = 159,955.25

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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.