Home / 198,816.72-274,374.66-113,950.20

Finding the Fourth Proportional to 198,816.72, 274,374.66 and 113,950.20

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Solution

The fourth proportional to 198,816.72, 274,374.66 and 113,950.20 is: 157,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,816.72 : 274,374.66 = 113,950.20 : x
  2. Step 2: Convert to fraction form
    198,816.72/274,374.66 = 113,950.20/x
  3. Step 3: Cross multiply
    198,816.72x = 274,374.66 × 113,950.20
  4. Step 4: Simplify right side
    198,816.72x = 31,265,047,381.93
  5. Step 5: Solve for x
    x = 31,265,047,381.93/198,816.72
  6. Step 6: Final answer
    x = 157,255.62

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1.5x scale

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.