Home / 260,186.68-390,342.14-82,694.01

Finding the Fourth Proportional to 260,186.68, 390,342.14 and 82,694.01

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Solution

The fourth proportional to 260,186.68, 390,342.14 and 82,694.01 is: 124,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,186.68 : 390,342.14 = 82,694.01 : x
  2. Step 2: Convert to fraction form
    260,186.68/390,342.14 = 82,694.01/x
  3. Step 3: Cross multiply
    260,186.68x = 390,342.14 × 82,694.01
  4. Step 4: Simplify right side
    260,186.68x = 32,278,958,189.00
  5. Step 5: Solve for x
    x = 32,278,958,189.00/260,186.68
  6. Step 6: Final answer
    x = 124,060.76

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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.