Home / 192,768.14-289,080.38-66,373.04

Finding the Fourth Proportional to 192,768.14, 289,080.38 and 66,373.04

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Solution

The fourth proportional to 192,768.14, 289,080.38 and 66,373.04 is: 99,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,768.14 : 289,080.38 = 66,373.04 : x
  2. Step 2: Convert to fraction form
    192,768.14/289,080.38 = 66,373.04/x
  3. Step 3: Cross multiply
    192,768.14x = 289,080.38 × 66,373.04
  4. Step 4: Simplify right side
    192,768.14x = 19,187,141,847.69
  5. Step 5: Solve for x
    x = 19,187,141,847.69/192,768.14
  6. Step 6: Final answer
    x = 99,534.82

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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.