Home / 198,960.50-274,565.58-109,536.50

Finding the Fourth Proportional to 198,960.50, 274,565.58 and 109,536.50

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Solution

The fourth proportional to 198,960.50, 274,565.58 and 109,536.50 is: 151,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,960.50 : 274,565.58 = 109,536.50 : x
  2. Step 2: Convert to fraction form
    198,960.50/274,565.58 = 109,536.50/x
  3. Step 3: Cross multiply
    198,960.50x = 274,565.58 × 109,536.50
  4. Step 4: Simplify right side
    198,960.50x = 30,074,952,653.67
  5. Step 5: Solve for x
    x = 30,074,952,653.67/198,960.50
  6. Step 6: Final answer
    x = 151,160.42

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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.