Home / 166,340.50-229,555.56-90,893.86

Finding the Fourth Proportional to 166,340.50, 229,555.56 and 90,893.86

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Solution

The fourth proportional to 166,340.50, 229,555.56 and 90,893.86 is: 125,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,340.50 : 229,555.56 = 90,893.86 : x
  2. Step 2: Convert to fraction form
    166,340.50/229,555.56 = 90,893.86/x
  3. Step 3: Cross multiply
    166,340.50x = 229,555.56 × 90,893.86
  4. Step 4: Simplify right side
    166,340.50x = 20,865,190,932.86
  5. Step 5: Solve for x
    x = 20,865,190,932.86/166,340.50
  6. Step 6: Final answer
    x = 125,436.63

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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.