Home / 198,986.54-274,598.84-108,341.46

Finding the Fourth Proportional to 198,986.54, 274,598.84 and 108,341.46

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Solution

The fourth proportional to 198,986.54, 274,598.84 and 108,341.46 is: 149,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,986.54 : 274,598.84 = 108,341.46 : x
  2. Step 2: Convert to fraction form
    198,986.54/274,598.84 = 108,341.46/x
  3. Step 3: Cross multiply
    198,986.54x = 274,598.84 × 108,341.46
  4. Step 4: Simplify right side
    198,986.54x = 29,750,439,239.91
  5. Step 5: Solve for x
    x = 29,750,439,239.91/198,986.54
  6. Step 6: Final answer
    x = 149,509.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.