Home / 198,652.46-274,152.04-112,618.30

Finding the Fourth Proportional to 198,652.46, 274,152.04 and 112,618.30

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Solution

The fourth proportional to 198,652.46, 274,152.04 and 112,618.30 is: 155,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,652.46 : 274,152.04 = 112,618.30 : x
  2. Step 2: Convert to fraction form
    198,652.46/274,152.04 = 112,618.30/x
  3. Step 3: Cross multiply
    198,652.46x = 274,152.04 × 112,618.30
  4. Step 4: Simplify right side
    198,652.46x = 30,874,536,686.33
  5. Step 5: Solve for x
    x = 30,874,536,686.33/198,652.46
  6. Step 6: Final answer
    x = 155,419.86

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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.