Home / 324,936.12-487,450.29-100,254.66

Finding the Fourth Proportional to 324,936.12, 487,450.29 and 100,254.66

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Solution

The fourth proportional to 324,936.12, 487,450.29 and 100,254.66 is: 150,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,936.12 : 487,450.29 = 100,254.66 : x
  2. Step 2: Convert to fraction form
    324,936.12/487,450.29 = 100,254.66/x
  3. Step 3: Cross multiply
    324,936.12x = 487,450.29 × 100,254.66
  4. Step 4: Simplify right side
    324,936.12x = 48,869,163,090.85
  5. Step 5: Solve for x
    x = 48,869,163,090.85/324,936.12
  6. Step 6: Final answer
    x = 150,396.22

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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.