Home / 111,276.12-166,940.44-36,395.98

Finding the Fourth Proportional to 111,276.12, 166,940.44 and 36,395.98

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Solution

The fourth proportional to 111,276.12, 166,940.44 and 36,395.98 is: 54,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,276.12 : 166,940.44 = 36,395.98 : x
  2. Step 2: Convert to fraction form
    111,276.12/166,940.44 = 36,395.98/x
  3. Step 3: Cross multiply
    111,276.12x = 166,940.44 × 36,395.98
  4. Step 4: Simplify right side
    111,276.12x = 6,075,960,915.43
  5. Step 5: Solve for x
    x = 6,075,960,915.43/111,276.12
  6. Step 6: Final answer
    x = 54,602.56

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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.