Home / 183,826.78-253,687.08-103,269.88

Finding the Fourth Proportional to 183,826.78, 253,687.08 and 103,269.88

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Solution

The fourth proportional to 183,826.78, 253,687.08 and 103,269.88 is: 142,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,826.78 : 253,687.08 = 103,269.88 : x
  2. Step 2: Convert to fraction form
    183,826.78/253,687.08 = 103,269.88/x
  3. Step 3: Cross multiply
    183,826.78x = 253,687.08 × 103,269.88
  4. Step 4: Simplify right side
    183,826.78x = 26,198,234,309.15
  5. Step 5: Solve for x
    x = 26,198,234,309.15/183,826.78
  6. Step 6: Final answer
    x = 142,515.87

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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.