Home / 259,684.93-389,585.76-82,202.59

Finding the Fourth Proportional to 259,684.93, 389,585.76 and 82,202.59

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Solution

The fourth proportional to 259,684.93, 389,585.76 and 82,202.59 is: 123,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,684.93 : 389,585.76 = 82,202.59 : x
  2. Step 2: Convert to fraction form
    259,684.93/389,585.76 = 82,202.59/x
  3. Step 3: Cross multiply
    259,684.93x = 389,585.76 × 82,202.59
  4. Step 4: Simplify right side
    259,684.93x = 32,024,958,499.12
  5. Step 5: Solve for x
    x = 32,024,958,499.12/259,684.93
  6. Step 6: Final answer
    x = 123,322.36

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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.