Home / 198,213.91-273,526.45-113,336.53

Finding the Fourth Proportional to 198,213.91, 273,526.45 and 113,336.53

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Solution

The fourth proportional to 198,213.91, 273,526.45 and 113,336.53 is: 156,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,213.91 : 273,526.45 = 113,336.53 : x
  2. Step 2: Convert to fraction form
    198,213.91/273,526.45 = 113,336.53/x
  3. Step 3: Cross multiply
    198,213.91x = 273,526.45 × 113,336.53
  4. Step 4: Simplify right side
    198,213.91x = 31,000,538,706.22
  5. Step 5: Solve for x
    x = 31,000,538,706.22/198,213.91
  6. Step 6: Final answer
    x = 156,399.41

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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.