Home / 351,146.28-484,578.30-189,997.80

Finding the Fourth Proportional to 351,146.28, 484,578.30 and 189,997.80

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Solution

The fourth proportional to 351,146.28, 484,578.30 and 189,997.80 is: 262,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,146.28 : 484,578.30 = 189,997.80 : x
  2. Step 2: Convert to fraction form
    351,146.28/484,578.30 = 189,997.80/x
  3. Step 3: Cross multiply
    351,146.28x = 484,578.30 × 189,997.80
  4. Step 4: Simplify right side
    351,146.28x = 92,068,810,927.74
  5. Step 5: Solve for x
    x = 92,068,810,927.74/351,146.28
  6. Step 6: Final answer
    x = 262,195.03

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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.