Home / 166,612.10-229,930.80-94,991.36

Finding the Fourth Proportional to 166,612.10, 229,930.80 and 94,991.36

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Solution

The fourth proportional to 166,612.10, 229,930.80 and 94,991.36 is: 131,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,612.10 : 229,930.80 = 94,991.36 : x
  2. Step 2: Convert to fraction form
    166,612.10/229,930.80 = 94,991.36/x
  3. Step 3: Cross multiply
    166,612.10x = 229,930.80 × 94,991.36
  4. Step 4: Simplify right side
    166,612.10x = 21,841,439,397.89
  5. Step 5: Solve for x
    x = 21,841,439,397.89/166,612.10
  6. Step 6: Final answer
    x = 131,091.56

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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.