Home / 102,183.30-141,025.23-61,895.88

Finding the Fourth Proportional to 102,183.30, 141,025.23 and 61,895.88

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Solution

The fourth proportional to 102,183.30, 141,025.23 and 61,895.88 is: 85,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,183.30 : 141,025.23 = 61,895.88 : x
  2. Step 2: Convert to fraction form
    102,183.30/141,025.23 = 61,895.88/x
  3. Step 3: Cross multiply
    102,183.30x = 141,025.23 × 61,895.88
  4. Step 4: Simplify right side
    102,183.30x = 8,728,880,713.05
  5. Step 5: Solve for x
    x = 8,728,880,713.05/102,183.30
  6. Step 6: Final answer
    x = 85,423.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.