Home / 166,370.94-229,592-90,919.44

Finding the Fourth Proportional to 166,370.94, 229,592 and 90,919.44

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Solution

The fourth proportional to 166,370.94, 229,592 and 90,919.44 is: 125,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,370.94 : 229,592 = 90,919.44 : x
  2. Step 2: Convert to fraction form
    166,370.94/229,592 = 90,919.44/x
  3. Step 3: Cross multiply
    166,370.94x = 229,592 × 90,919.44
  4. Step 4: Simplify right side
    166,370.94x = 20,874,376,068.48
  5. Step 5: Solve for x
    x = 20,874,376,068.48/166,370.94
  6. Step 6: Final answer
    x = 125,468.88

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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.