Home / 192,811.70-288,840.89-132,829.58

Finding the Fourth Proportional to 192,811.70, 288,840.89 and 132,829.58

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Solution

The fourth proportional to 192,811.70, 288,840.89 and 132,829.58 is: 198,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,811.70 : 288,840.89 = 132,829.58 : x
  2. Step 2: Convert to fraction form
    192,811.70/288,840.89 = 132,829.58/x
  3. Step 3: Cross multiply
    192,811.70x = 288,840.89 × 132,829.58
  4. Step 4: Simplify right side
    192,811.70x = 38,366,611,997.17
  5. Step 5: Solve for x
    x = 38,366,611,997.17/192,811.70
  6. Step 6: Final answer
    x = 198,984.88

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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.