Home / 111,728.16-167,556.24-36,830.88

Finding the Fourth Proportional to 111,728.16, 167,556.24 and 36,830.88

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Solution

The fourth proportional to 111,728.16, 167,556.24 and 36,830.88 is: 55,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,728.16 : 167,556.24 = 36,830.88 : x
  2. Step 2: Convert to fraction form
    111,728.16/167,556.24 = 36,830.88/x
  3. Step 3: Cross multiply
    111,728.16x = 167,556.24 × 36,830.88
  4. Step 4: Simplify right side
    111,728.16x = 6,171,243,768.69
  5. Step 5: Solve for x
    x = 6,171,243,768.69/111,728.16
  6. Step 6: Final answer
    x = 55,234.45

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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.