Home / 172,226.31-258,503.04-105,796.19

Finding the Fourth Proportional to 172,226.31, 258,503.04 and 105,796.19

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Solution

The fourth proportional to 172,226.31, 258,503.04 and 105,796.19 is: 158,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,226.31 : 258,503.04 = 105,796.19 : x
  2. Step 2: Convert to fraction form
    172,226.31/258,503.04 = 105,796.19/x
  3. Step 3: Cross multiply
    172,226.31x = 258,503.04 × 105,796.19
  4. Step 4: Simplify right side
    172,226.31x = 27,348,634,913.92
  5. Step 5: Solve for x
    x = 27,348,634,913.92/172,226.31
  6. Step 6: Final answer
    x = 158,794.76

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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.