Home / 198,876.06-274,461.21-114,005.88

Finding the Fourth Proportional to 198,876.06, 274,461.21 and 114,005.88

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Solution

The fourth proportional to 198,876.06, 274,461.21 and 114,005.88 is: 157,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,876.06 : 274,461.21 = 114,005.88 : x
  2. Step 2: Convert to fraction form
    198,876.06/274,461.21 = 114,005.88/x
  3. Step 3: Cross multiply
    198,876.06x = 274,461.21 × 114,005.88
  4. Step 4: Simplify right side
    198,876.06x = 31,290,191,771.91
  5. Step 5: Solve for x
    x = 31,290,191,771.91/198,876.06
  6. Step 6: Final answer
    x = 157,335.14

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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.