Home / 269,436.38-404,223.22-79,903.66

Finding the Fourth Proportional to 269,436.38, 404,223.22 and 79,903.66

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Solution

The fourth proportional to 269,436.38, 404,223.22 and 79,903.66 is: 119,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,436.38 : 404,223.22 = 79,903.66 : x
  2. Step 2: Convert to fraction form
    269,436.38/404,223.22 = 79,903.66/x
  3. Step 3: Cross multiply
    269,436.38x = 404,223.22 × 79,903.66
  4. Step 4: Simplify right side
    269,436.38x = 32,298,914,734.99
  5. Step 5: Solve for x
    x = 32,298,914,734.99/269,436.38
  6. Step 6: Final answer
    x = 119,875.85

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1.5x scale

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.