Home / 192,824.20-289,189.66-74,420.04

Finding the Fourth Proportional to 192,824.20, 289,189.66 and 74,420.04

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Solution

The fourth proportional to 192,824.20, 289,189.66 and 74,420.04 is: 111,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,824.20 : 289,189.66 = 74,420.04 : x
  2. Step 2: Convert to fraction form
    192,824.20/289,189.66 = 74,420.04/x
  3. Step 3: Cross multiply
    192,824.20x = 289,189.66 × 74,420.04
  4. Step 4: Simplify right side
    192,824.20x = 21,521,506,064.79
  5. Step 5: Solve for x
    x = 21,521,506,064.79/192,824.20
  6. Step 6: Final answer
    x = 111,612.06

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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.