Home / 111,140.64-166,725.60-36,234.48

Finding the Fourth Proportional to 111,140.64, 166,725.60 and 36,234.48

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Solution

The fourth proportional to 111,140.64, 166,725.60 and 36,234.48 is: 54,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.64 : 166,725.60 = 36,234.48 : x
  2. Step 2: Convert to fraction form
    111,140.64/166,725.60 = 36,234.48/x
  3. Step 3: Cross multiply
    111,140.64x = 166,725.60 × 36,234.48
  4. Step 4: Simplify right side
    111,140.64x = 6,041,215,418.69
  5. Step 5: Solve for x
    x = 6,041,215,418.69/111,140.64
  6. Step 6: Final answer
    x = 54,356.49

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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.