Home / 274,946.40-379,429.92-167,520.96

Finding the Fourth Proportional to 274,946.40, 379,429.92 and 167,520.96

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Solution

The fourth proportional to 274,946.40, 379,429.92 and 167,520.96 is: 231,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,946.40 : 379,429.92 = 167,520.96 : x
  2. Step 2: Convert to fraction form
    274,946.40/379,429.92 = 167,520.96/x
  3. Step 3: Cross multiply
    274,946.40x = 379,429.92 × 167,520.96
  4. Step 4: Simplify right side
    274,946.40x = 63,562,464,451.12
  5. Step 5: Solve for x
    x = 63,562,464,451.12/274,946.40
  6. Step 6: Final answer
    x = 231,181.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.