Home / 198,256.50-273,589.64-107,612.64

Finding the Fourth Proportional to 198,256.50, 273,589.64 and 107,612.64

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Solution

The fourth proportional to 198,256.50, 273,589.64 and 107,612.64 is: 148,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,256.50 : 273,589.64 = 107,612.64 : x
  2. Step 2: Convert to fraction form
    198,256.50/273,589.64 = 107,612.64/x
  3. Step 3: Cross multiply
    198,256.50x = 273,589.64 × 107,612.64
  4. Step 4: Simplify right side
    198,256.50x = 29,441,703,437.05
  5. Step 5: Solve for x
    x = 29,441,703,437.05/198,256.50
  6. Step 6: Final answer
    x = 148,503.09

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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.