Home / 240,064.94-331,324.32-143,272.90

Finding the Fourth Proportional to 240,064.94, 331,324.32 and 143,272.90

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Solution

The fourth proportional to 240,064.94, 331,324.32 and 143,272.90 is: 197,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,064.94 : 331,324.32 = 143,272.90 : x
  2. Step 2: Convert to fraction form
    240,064.94/331,324.32 = 143,272.90/x
  3. Step 3: Cross multiply
    240,064.94x = 331,324.32 × 143,272.90
  4. Step 4: Simplify right side
    240,064.94x = 47,469,797,713.36
  5. Step 5: Solve for x
    x = 47,469,797,713.36/240,064.94
  6. Step 6: Final answer
    x = 197,737.32

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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.