Home / 259,562.91-389,039.10-117,242.07

Finding the Fourth Proportional to 259,562.91, 389,039.10 and 117,242.07

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Solution

The fourth proportional to 259,562.91, 389,039.10 and 117,242.07 is: 175,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,562.91 : 389,039.10 = 117,242.07 : x
  2. Step 2: Convert to fraction form
    259,562.91/389,039.10 = 117,242.07/x
  3. Step 3: Cross multiply
    259,562.91x = 389,039.10 × 117,242.07
  4. Step 4: Simplify right side
    259,562.91x = 45,611,749,394.94
  5. Step 5: Solve for x
    x = 45,611,749,394.94/259,562.91
  6. Step 6: Final answer
    x = 175,725.22

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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.