Home / 275,815.13-413,722.69-88,826.63

Finding the Fourth Proportional to 275,815.13, 413,722.69 and 88,826.63

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Solution

The fourth proportional to 275,815.13, 413,722.69 and 88,826.63 is: 133,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,815.13 : 413,722.69 = 88,826.63 : x
  2. Step 2: Convert to fraction form
    275,815.13/413,722.69 = 88,826.63/x
  3. Step 3: Cross multiply
    275,815.13x = 413,722.69 × 88,826.63
  4. Step 4: Simplify right side
    275,815.13x = 36,749,590,016.55
  5. Step 5: Solve for x
    x = 36,749,590,016.55/275,815.13
  6. Step 6: Final answer
    x = 133,239.94

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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.