Home / 110,890.80-166,336.20-40,755.60

Finding the Fourth Proportional to 110,890.80, 166,336.20 and 40,755.60

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Solution

The fourth proportional to 110,890.80, 166,336.20 and 40,755.60 is: 61,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,890.80 : 166,336.20 = 40,755.60 : x
  2. Step 2: Convert to fraction form
    110,890.80/166,336.20 = 40,755.60/x
  3. Step 3: Cross multiply
    110,890.80x = 166,336.20 × 40,755.60
  4. Step 4: Simplify right side
    110,890.80x = 6,779,131,632.72
  5. Step 5: Solve for x
    x = 6,779,131,632.72/110,890.80
  6. Step 6: Final answer
    x = 61,133.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.