Home / 269,199.20-371,479.56-154,453.52

Finding the Fourth Proportional to 269,199.20, 371,479.56 and 154,453.52

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Solution

The fourth proportional to 269,199.20, 371,479.56 and 154,453.52 is: 213,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,199.20 : 371,479.56 = 154,453.52 : x
  2. Step 2: Convert to fraction form
    269,199.20/371,479.56 = 154,453.52/x
  3. Step 3: Cross multiply
    269,199.20x = 371,479.56 × 154,453.52
  4. Step 4: Simplify right side
    269,199.20x = 57,376,325,650.05
  5. Step 5: Solve for x
    x = 57,376,325,650.05/269,199.20
  6. Step 6: Final answer
    x = 213,137.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.