Home / 111,131.88-166,712.46-36,225.78

Finding the Fourth Proportional to 111,131.88, 166,712.46 and 36,225.78

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Solution

The fourth proportional to 111,131.88, 166,712.46 and 36,225.78 is: 54,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,131.88 : 166,712.46 = 36,225.78 : x
  2. Step 2: Convert to fraction form
    111,131.88/166,712.46 = 36,225.78/x
  3. Step 3: Cross multiply
    111,131.88x = 166,712.46 × 36,225.78
  4. Step 4: Simplify right side
    111,131.88x = 6,039,288,065.66
  5. Step 5: Solve for x
    x = 6,039,288,065.66/111,131.88
  6. Step 6: Final answer
    x = 54,343.44

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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.