Home / 198,829.64-274,311.42-118,260.56

Finding the Fourth Proportional to 198,829.64, 274,311.42 and 118,260.56

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Solution

The fourth proportional to 198,829.64, 274,311.42 and 118,260.56 is: 163,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,829.64 : 274,311.42 = 118,260.56 : x
  2. Step 2: Convert to fraction form
    198,829.64/274,311.42 = 118,260.56/x
  3. Step 3: Cross multiply
    198,829.64x = 274,311.42 × 118,260.56
  4. Step 4: Simplify right side
    198,829.64x = 32,440,222,143.60
  5. Step 5: Solve for x
    x = 32,440,222,143.60/198,829.64
  6. Step 6: Final answer
    x = 163,155.87

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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.