Home / 198,318.17-273,677.52-107,672.32

Finding the Fourth Proportional to 198,318.17, 273,677.52 and 107,672.32

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Solution

The fourth proportional to 198,318.17, 273,677.52 and 107,672.32 is: 148,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,318.17 : 273,677.52 = 107,672.32 : x
  2. Step 2: Convert to fraction form
    198,318.17/273,677.52 = 107,672.32/x
  3. Step 3: Cross multiply
    198,318.17x = 273,677.52 × 107,672.32
  4. Step 4: Simplify right side
    198,318.17x = 29,467,493,650.46
  5. Step 5: Solve for x
    x = 29,467,493,650.46/198,318.17
  6. Step 6: Final answer
    x = 148,586.96

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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.