Home / 206,190.84-309,238.02-116,272.38

Finding the Fourth Proportional to 206,190.84, 309,238.02 and 116,272.38

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Solution

The fourth proportional to 206,190.84, 309,238.02 and 116,272.38 is: 174,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,190.84 : 309,238.02 = 116,272.38 : x
  2. Step 2: Convert to fraction form
    206,190.84/309,238.02 = 116,272.38/x
  3. Step 3: Cross multiply
    206,190.84x = 309,238.02 × 116,272.38
  4. Step 4: Simplify right side
    206,190.84x = 35,955,840,571.89
  5. Step 5: Solve for x
    x = 35,955,840,571.89/206,190.84
  6. Step 6: Final answer
    x = 174,381.37

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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.