Home / 195,409.92-293,081.76-55,135.68

Finding the Fourth Proportional to 195,409.92, 293,081.76 and 55,135.68

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Solution

The fourth proportional to 195,409.92, 293,081.76 and 55,135.68 is: 82,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,409.92 : 293,081.76 = 55,135.68 : x
  2. Step 2: Convert to fraction form
    195,409.92/293,081.76 = 55,135.68/x
  3. Step 3: Cross multiply
    195,409.92x = 293,081.76 × 55,135.68
  4. Step 4: Simplify right side
    195,409.92x = 16,159,262,133.20
  5. Step 5: Solve for x
    x = 16,159,262,133.20/195,409.92
  6. Step 6: Final answer
    x = 82,694.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.