Home / 198,590.28-274,047.87-113,690.94

Finding the Fourth Proportional to 198,590.28, 274,047.87 and 113,690.94

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Solution

The fourth proportional to 198,590.28, 274,047.87 and 113,690.94 is: 156,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,590.28 : 274,047.87 = 113,690.94 : x
  2. Step 2: Convert to fraction form
    198,590.28/274,047.87 = 113,690.94/x
  3. Step 3: Cross multiply
    198,590.28x = 274,047.87 × 113,690.94
  4. Step 4: Simplify right side
    198,590.28x = 31,156,760,885.48
  5. Step 5: Solve for x
    x = 31,156,760,885.48/198,590.28
  6. Step 6: Final answer
    x = 156,889.66

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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.