Home / 198,818.91-274,367.96-118,244.67

Finding the Fourth Proportional to 198,818.91, 274,367.96 and 118,244.67

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Solution

The fourth proportional to 198,818.91, 274,367.96 and 118,244.67 is: 163,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,818.91 : 274,367.96 = 118,244.67 : x
  2. Step 2: Convert to fraction form
    198,818.91/274,367.96 = 118,244.67/x
  3. Step 3: Cross multiply
    198,818.91x = 274,367.96 × 118,244.67
  4. Step 4: Simplify right side
    198,818.91x = 32,442,548,297.55
  5. Step 5: Solve for x
    x = 32,442,548,297.55/198,818.91
  6. Step 6: Final answer
    x = 163,176.37

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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.