Home / 275,827.20-413,732.55-76,159.77

Finding the Fourth Proportional to 275,827.20, 413,732.55 and 76,159.77

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Solution

The fourth proportional to 275,827.20, 413,732.55 and 76,159.77 is: 114,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,827.20 : 413,732.55 = 76,159.77 : x
  2. Step 2: Convert to fraction form
    275,827.20/413,732.55 = 76,159.77/x
  3. Step 3: Cross multiply
    275,827.20x = 413,732.55 × 76,159.77
  4. Step 4: Simplify right side
    275,827.20x = 31,509,775,849.51
  5. Step 5: Solve for x
    x = 31,509,775,849.51/275,827.20
  6. Step 6: Final answer
    x = 114,237.38

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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.