Home / 117,932.60-162,759.98-72,601.49

Finding the Fourth Proportional to 117,932.60, 162,759.98 and 72,601.49

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Solution

The fourth proportional to 117,932.60, 162,759.98 and 72,601.49 is: 100,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,932.60 : 162,759.98 = 72,601.49 : x
  2. Step 2: Convert to fraction form
    117,932.60/162,759.98 = 72,601.49/x
  3. Step 3: Cross multiply
    117,932.60x = 162,759.98 × 72,601.49
  4. Step 4: Simplify right side
    117,932.60x = 11,816,617,060.37
  5. Step 5: Solve for x
    x = 11,816,617,060.37/117,932.60
  6. Step 6: Final answer
    x = 100,198.05

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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.