Home / 136,382.40-203,653.44-111,472.56

Finding the Fourth Proportional to 136,382.40, 203,653.44 and 111,472.56

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Solution

The fourth proportional to 136,382.40, 203,653.44 and 111,472.56 is: 166,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,382.40 : 203,653.44 = 111,472.56 : x
  2. Step 2: Convert to fraction form
    136,382.40/203,653.44 = 111,472.56/x
  3. Step 3: Cross multiply
    136,382.40x = 203,653.44 × 111,472.56
  4. Step 4: Simplify right side
    136,382.40x = 22,701,770,309.61
  5. Step 5: Solve for x
    x = 22,701,770,309.61/136,382.40
  6. Step 6: Final answer
    x = 166,456.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.