Home / 111,278.64-166,801.32-41,113.20

Finding the Fourth Proportional to 111,278.64, 166,801.32 and 41,113.20

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Solution

The fourth proportional to 111,278.64, 166,801.32 and 41,113.20 is: 61,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,278.64 : 166,801.32 = 41,113.20 : x
  2. Step 2: Convert to fraction form
    111,278.64/166,801.32 = 41,113.20/x
  3. Step 3: Cross multiply
    111,278.64x = 166,801.32 × 41,113.20
  4. Step 4: Simplify right side
    111,278.64x = 6,857,736,029.42
  5. Step 5: Solve for x
    x = 6,857,736,029.42/111,278.64
  6. Step 6: Final answer
    x = 61,626.71

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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.