Home / 327,885.12-491,826.08-103,264.64

Finding the Fourth Proportional to 327,885.12, 491,826.08 and 103,264.64

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Solution

The fourth proportional to 327,885.12, 491,826.08 and 103,264.64 is: 154,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,885.12 : 491,826.08 = 103,264.64 : x
  2. Step 2: Convert to fraction form
    327,885.12/491,826.08 = 103,264.64/x
  3. Step 3: Cross multiply
    327,885.12x = 491,826.08 × 103,264.64
  4. Step 4: Simplify right side
    327,885.12x = 50,788,243,093.81
  5. Step 5: Solve for x
    x = 50,788,243,093.81/327,885.12
  6. Step 6: Final answer
    x = 154,896.46

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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.