Home / 198,566.24-274,014.70-113,666.90

Finding the Fourth Proportional to 198,566.24, 274,014.70 and 113,666.90

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Solution

The fourth proportional to 198,566.24, 274,014.70 and 113,666.90 is: 156,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,566.24 : 274,014.70 = 113,666.90 : x
  2. Step 2: Convert to fraction form
    198,566.24/274,014.70 = 113,666.90/x
  3. Step 3: Cross multiply
    198,566.24x = 274,014.70 × 113,666.90
  4. Step 4: Simplify right side
    198,566.24x = 31,146,399,849.19
  5. Step 5: Solve for x
    x = 31,146,399,849.19/198,566.24
  6. Step 6: Final answer
    x = 156,856.48

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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.