Home / 259,910.94-389,866.14-97,835.25

Finding the Fourth Proportional to 259,910.94, 389,866.14 and 97,835.25

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Solution

The fourth proportional to 259,910.94, 389,866.14 and 97,835.25 is: 146,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,910.94 : 389,866.14 = 97,835.25 : x
  2. Step 2: Convert to fraction form
    259,910.94/389,866.14 = 97,835.25/x
  3. Step 3: Cross multiply
    259,910.94x = 389,866.14 × 97,835.25
  4. Step 4: Simplify right side
    259,910.94x = 38,142,651,273.44
  5. Step 5: Solve for x
    x = 38,142,651,273.44/259,910.94
  6. Step 6: Final answer
    x = 146,752.77

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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.