Home / 192,965.22-266,288.58-108,085.32

Finding the Fourth Proportional to 192,965.22, 266,288.58 and 108,085.32

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Solution

The fourth proportional to 192,965.22, 266,288.58 and 108,085.32 is: 149,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,965.22 : 266,288.58 = 108,085.32 : x
  2. Step 2: Convert to fraction form
    192,965.22/266,288.58 = 108,085.32/x
  3. Step 3: Cross multiply
    192,965.22x = 266,288.58 × 108,085.32
  4. Step 4: Simplify right side
    192,965.22x = 28,781,886,381.65
  5. Step 5: Solve for x
    x = 28,781,886,381.65/192,965.22
  6. Step 6: Final answer
    x = 149,155.82

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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.