Home / 192,808.20-289,281.63-86,183.29

Finding the Fourth Proportional to 192,808.20, 289,281.63 and 86,183.29

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Solution

The fourth proportional to 192,808.20, 289,281.63 and 86,183.29 is: 129,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,808.20 : 289,281.63 = 86,183.29 : x
  2. Step 2: Convert to fraction form
    192,808.20/289,281.63 = 86,183.29/x
  3. Step 3: Cross multiply
    192,808.20x = 289,281.63 × 86,183.29
  4. Step 4: Simplify right side
    192,808.20x = 24,931,242,809.97
  5. Step 5: Solve for x
    x = 24,931,242,809.97/192,808.20
  6. Step 6: Final answer
    x = 129,305.93

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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.