Home / 269,790.13-404,608.65-80,242.84

Finding the Fourth Proportional to 269,790.13, 404,608.65 and 80,242.84

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Solution

The fourth proportional to 269,790.13, 404,608.65 and 80,242.84 is: 120,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,790.13 : 404,608.65 = 80,242.84 : x
  2. Step 2: Convert to fraction form
    269,790.13/404,608.65 = 80,242.84/x
  3. Step 3: Cross multiply
    269,790.13x = 404,608.65 × 80,242.84
  4. Step 4: Simplify right side
    269,790.13x = 32,466,947,164.57
  5. Step 5: Solve for x
    x = 32,466,947,164.57/269,790.13
  6. Step 6: Final answer
    x = 120,341.49

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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.