Home / 132,296.10-182,563.38-78,579.70

Finding the Fourth Proportional to 132,296.10, 182,563.38 and 78,579.70

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Solution

The fourth proportional to 132,296.10, 182,563.38 and 78,579.70 is: 108,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,296.10 : 182,563.38 = 78,579.70 : x
  2. Step 2: Convert to fraction form
    132,296.10/182,563.38 = 78,579.70/x
  3. Step 3: Cross multiply
    132,296.10x = 182,563.38 × 78,579.70
  4. Step 4: Simplify right side
    132,296.10x = 14,345,775,631.39
  5. Step 5: Solve for x
    x = 14,345,775,631.39/132,296.10
  6. Step 6: Final answer
    x = 108,436.87

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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.