Home / 166,165.76-229,307.58-90,714.26

Finding the Fourth Proportional to 166,165.76, 229,307.58 and 90,714.26

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Solution

The fourth proportional to 166,165.76, 229,307.58 and 90,714.26 is: 125,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,165.76 : 229,307.58 = 90,714.26 : x
  2. Step 2: Convert to fraction form
    166,165.76/229,307.58 = 90,714.26/x
  3. Step 3: Cross multiply
    166,165.76x = 229,307.58 × 90,714.26
  4. Step 4: Simplify right side
    166,165.76x = 20,801,467,432.09
  5. Step 5: Solve for x
    x = 20,801,467,432.09/166,165.76
  6. Step 6: Final answer
    x = 125,185.04

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1.5x scale

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.