Home / 275,730.10-413,595.15-76,081.30

Finding the Fourth Proportional to 275,730.10, 413,595.15 and 76,081.30

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Solution

The fourth proportional to 275,730.10, 413,595.15 and 76,081.30 is: 114,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,730.10 : 413,595.15 = 76,081.30 : x
  2. Step 2: Convert to fraction form
    275,730.10/413,595.15 = 76,081.30/x
  3. Step 3: Cross multiply
    275,730.10x = 413,595.15 × 76,081.30
  4. Step 4: Simplify right side
    275,730.10x = 31,466,856,685.70
  5. Step 5: Solve for x
    x = 31,466,856,685.70/275,730.10
  6. Step 6: Final answer
    x = 114,121.95

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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.