Home / 111,153.25-166,756.40-36,273.53

Finding the Fourth Proportional to 111,153.25, 166,756.40 and 36,273.53

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Solution

The fourth proportional to 111,153.25, 166,756.40 and 36,273.53 is: 54,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,153.25 : 166,756.40 = 36,273.53 : x
  2. Step 2: Convert to fraction form
    111,153.25/166,756.40 = 36,273.53/x
  3. Step 3: Cross multiply
    111,153.25x = 166,756.40 × 36,273.53
  4. Step 4: Simplify right side
    111,153.25x = 6,048,843,278.09
  5. Step 5: Solve for x
    x = 6,048,843,278.09/111,153.25
  6. Step 6: Final answer
    x = 54,418.95

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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.