Home / 259,731.99-389,609.10-101,994.57

Finding the Fourth Proportional to 259,731.99, 389,609.10 and 101,994.57

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Solution

The fourth proportional to 259,731.99, 389,609.10 and 101,994.57 is: 152,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,731.99 : 389,609.10 = 101,994.57 : x
  2. Step 2: Convert to fraction form
    259,731.99/389,609.10 = 101,994.57/x
  3. Step 3: Cross multiply
    259,731.99x = 389,609.10 × 101,994.57
  4. Step 4: Simplify right side
    259,731.99x = 39,738,012,622.59
  5. Step 5: Solve for x
    x = 39,738,012,622.59/259,731.99
  6. Step 6: Final answer
    x = 152,996.22

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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.