Home / 426,104.04-639,156.97-173,206.04

Finding the Fourth Proportional to 426,104.04, 639,156.97 and 173,206.04

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Solution

The fourth proportional to 426,104.04, 639,156.97 and 173,206.04 is: 259,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,104.04 : 639,156.97 = 173,206.04 : x
  2. Step 2: Convert to fraction form
    426,104.04/639,156.97 = 173,206.04/x
  3. Step 3: Cross multiply
    426,104.04x = 639,156.97 × 173,206.04
  4. Step 4: Simplify right side
    426,104.04x = 110,705,847,712.10
  5. Step 5: Solve for x
    x = 110,705,847,712.10/426,104.04
  6. Step 6: Final answer
    x = 259,809.43

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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.