Home / 192,380.82-288,544.12-66,018.85

Finding the Fourth Proportional to 192,380.82, 288,544.12 and 66,018.85

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Solution

The fourth proportional to 192,380.82, 288,544.12 and 66,018.85 is: 99,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,380.82 : 288,544.12 = 66,018.85 : x
  2. Step 2: Convert to fraction form
    192,380.82/288,544.12 = 66,018.85/x
  3. Step 3: Cross multiply
    192,380.82x = 288,544.12 × 66,018.85
  4. Step 4: Simplify right side
    192,380.82x = 19,049,350,461.61
  5. Step 5: Solve for x
    x = 19,049,350,461.61/192,380.82
  6. Step 6: Final answer
    x = 99,018.97

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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.